CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-available" lang="cy" dir="ltr"> <head> <meta charset="UTF-8"> <title>Bas (cemeg) - Wicipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )cywikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy" ,"wgMonthNames":["","Ionawr","Chwefror","Mawrth","Ebrill","Mai","Mehefin","Gorffennaf","Awst","Medi","Hydref","Tachwedd","Rhagfyr"],"wgRequestId":"515d8417-03bc-4552-b0f9-eecb8388841e","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Bas_(cemeg)","wgTitle":"Bas (cemeg)","wgCurRevisionId":12946648,"wgRevisionId":12946648,"wgArticleId":136360,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Tudalennau gyda meysydd deublyg yn y Nodion","Erthyglau sy'n defnyddio Nodyn Gwybodlen pethau Wicidata","Webarchive template wayback links","Basau","Cyfansoddion cemegol"],"wgPageViewLanguage":"cy","wgPageContentLanguage":"cy","wgPageContentModel":"wikitext","wgRelevantPageName":"Bas_(cemeg)","wgRelevantArticleId":136360,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia", "wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"cy","pageLanguageDir":"ltr","pageVariantFallbacks":"cy"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":3000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q11193","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles": "ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","mediawiki.page.media","site","mediawiki.page.ready","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022", "ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=cy&modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=cy&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=cy&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/f/f0/Sodium_hydroxide_solution.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="1600"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Sodium_hydroxide_solution.jpg/800px-Sodium_hydroxide_solution.jpg"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="1067"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Sodium_hydroxide_solution.jpg/640px-Sodium_hydroxide_solution.jpg"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="853"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Bas (cemeg) - Wicipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//cy.m.wikipedia.org/wiki/Bas_(cemeg)"> <link rel="alternate" type="application/x-wiki" title="Golygu" href="/w/index.php?title=Bas_(cemeg)&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wicipedia (cy)"> <link rel="EditURI" type="application/rsd+xml" href="//cy.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://cy.wikipedia.org/wiki/Bas_(cemeg)"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.cy"> <link rel="alternate" type="application/atom+xml" title="Ffrwd Atom Wicipedia" href="/w/index.php?title=Arbennig:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Bas_cemeg rootpage-Bas_cemeg skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Neidio i'r cynnwys</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Safle"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Prif ddewislen" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Prif ddewislen</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Prif ddewislen</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">cuddio</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Panel llywio </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage" class="mw-list-item"><a href="/wiki/Hafan" title="Ymweld â'r Hafan [z]" accesskey="z"><span>Hafan</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wicipedia:Porth_y_Gymuned" title="Pethau i'w gwneud, adnoddau a thudalennau'r gymuned"><span>Porth y Gymuned</span></a></li><li id="n-cafe" class="mw-list-item"><a href="/wiki/Wicipedia:Y_Caffi"><span>Y Caffi</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Categori:Materion_cyfoes" title="Gwybodaeth yn gysylltiedig â materion cyfoes"><span>Materion cyfoes</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Arbennig:RecentChanges" title="Rhestr y newidiadau diweddar ar y wici. [r]" accesskey="r"><span>Newidiadau diweddar</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Arbennig:Random" title="Llwytho tudalen ar hap [x]" accesskey="x"><span>Erthygl ar hap</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Wicipedia:Cymorth" title="Tudalennau cymorth"><span>Cymorth</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Hafan" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wicipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-cy.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-cy.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Arbennig:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Chwilio Wicipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Chwilio</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Chwilio Wicipedia" aria-label="Chwilio Wicipedia" autocapitalize="sentences" title="Chwilio Wicipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Arbennig:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Chwilio</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Offer personol"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Gwedd"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Newidiwch ymddangosiad maint ffont, lled a lliw y dudalen" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Gwedd" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Gwedd</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_cy.wikipedia.org&uselang=cy" class=""><span>Rhoi</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Arbennig:CreateAccount&returnto=Bas+%28cemeg%29" title="Rydym yn argymell eich bod yn creu cyfri ac yn menwgofnodi. Fodd bynnag, dydy hyn ddim yn orfodol" class=""><span>Creu cyfrif</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Arbennig:UserLogin&returnto=Bas+%28cemeg%29" title="Fe'ch anogir i fewngofnodi, er nad oes rhaid gwneud. [o]" accesskey="o" class=""><span>Mewngofnodi</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Rhagor o opsiynau" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Offer personol" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Offer personol</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Dewislen defnyddiwr" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_cy.wikipedia.org&uselang=cy"><span>Rhoi</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Arbennig:CreateAccount&returnto=Bas+%28cemeg%29" title="Rydym yn argymell eich bod yn creu cyfri ac yn menwgofnodi. Fodd bynnag, dydy hyn ddim yn orfodol"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Creu cyfrif</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Arbennig:UserLogin&returnto=Bas+%28cemeg%29" title="Fe'ch anogir i fewngofnodi, er nad oes rhaid gwneud. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Mewngofnodi</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Tudalennau ar gyfer golygyddion allgofnodedig <a href="/wiki/Cymorth:Cyflwyniad" aria-label="Dysgu mwy am olygu"><span>dysgu mwy</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Arbennig:MyContributions" title="Rhestr golygiadau o'r cyfeiriad IP hwn [y]" accesskey="y"><span>Cyfraniadau</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Arbennig:MyTalk" title="Sgwrs ynglŷn â golygiadau o'r cyfeiriad IP hwn [n]" accesskey="n"><span>Sgwrs</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Safle"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Cynnwys" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Cynnwys</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">cuddio</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Y dechrau</div> </a> </li> <li id="toc-Basau_cryf" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Basau_cryf"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Basau cryf</span> </div> </a> <ul id="toc-Basau_cryf-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Basau_niwcleotid" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Basau_niwcleotid"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Basau niwcleotid</span> </div> </a> <ul id="toc-Basau_niwcleotid-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Cyfeiriadau" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Cyfeiriadau"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Cyfeiriadau</span> </div> </a> <ul id="toc-Cyfeiriadau-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Dolen_allanol" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Dolen_allanol"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Dolen allanol</span> </div> </a> <ul id="toc-Dolen_allanol-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Cynnwys" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toglo'r tabl cynnwys" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toglo'r tabl cynnwys</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Bas (cemeg)</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ewch i erthygl mewn iaith arall. Ar gael mewn 123 iaith" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-123" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">123 iaith</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Basis" title="Basis - Affricaneg" lang="af" hreflang="af" data-title="Basis" data-language-autonym="Afrikaans" data-language-local-name="Affricaneg" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Basen_(Chemie)" title="Basen (Chemie) - Almaeneg y Swistir" lang="gsw" hreflang="gsw" data-title="Basen (Chemie)" data-language-autonym="Alemannisch" data-language-local-name="Almaeneg y Swistir" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Base_(quimica)" title="Base (quimica) - Aragoneg" lang="an" hreflang="an" data-title="Base (quimica)" data-language-autonym="Aragonés" data-language-local-name="Aragoneg" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%82%D8%A7%D8%B9%D8%AF%D8%A9_(%D9%83%D9%8A%D9%85%D9%8A%D8%A7%D8%A1)" title="قاعدة (كيمياء) - Arabeg" lang="ar" hreflang="ar" data-title="قاعدة (كيمياء)" data-language-autonym="العربية" data-language-local-name="Arabeg" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%BE%E0%A7%B0" title="ক্ষাৰ - Asameg" lang="as" hreflang="as" data-title="ক্ষাৰ" data-language-autonym="অসমীয়া" data-language-local-name="Asameg" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Base_(qu%C3%ADmica)" title="Base (química) - Astwrianeg" lang="ast" hreflang="ast" data-title="Base (química)" data-language-autonym="Asturianu" data-language-local-name="Astwrianeg" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/%C6%8Fsaslar" title="Əsaslar - Aserbaijaneg" lang="az" hreflang="az" data-title="Əsaslar" data-language-autonym="Azərbaycanca" data-language-local-name="Aserbaijaneg" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%A8%D8%A7%D8%B2_(%D8%B4%DB%8C%D9%85%DB%8C)" title="باز (شیمی) - South Azerbaijani" lang="azb" hreflang="azb" data-title="باز (شیمی)" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9D%D0%B8%D0%B3%D0%B5%D2%99_(%D1%85%D0%B8%D0%BC%D0%B8%D1%8F)" title="Нигеҙ (химия) - Bashcorteg" lang="ba" hreflang="ba" data-title="Нигеҙ (химия)" data-language-autonym="Башҡортса" data-language-local-name="Bashcorteg" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Baz%C4%97" title="Bazė - Samogiteg" lang="sgs" hreflang="sgs" data-title="Bazė" data-language-autonym="Žemaitėška" data-language-local-name="Samogiteg" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Base_(kimika)" title="Base (kimika) - Central Bikol" lang="bcl" hreflang="bcl" data-title="Base (kimika)" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%90%D1%81%D0%BD%D0%BE%D0%B2%D1%8B" title="Асновы - Belarwseg" lang="be" hreflang="be" data-title="Асновы" data-language-autonym="Беларуская" data-language-local-name="Belarwseg" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%90%D1%81%D0%BD%D0%BE%D0%B2%D0%B0_(%D1%85%D1%96%D0%BC%D1%96%D1%8F)" title="Аснова (хімія) - Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Аснова (хімія)" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9E%D1%81%D0%BD%D0%BE%D0%B2%D0%B0_(%D1%85%D0%B8%D0%BC%D0%B8%D1%8F)" title="Основа (химия) - Bwlgareg" lang="bg" hreflang="bg" data-title="Основа (химия)" data-language-autonym="Български" data-language-local-name="Bwlgareg" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%BE%E0%A6%B0%E0%A6%95" title="ক্ষারক - Bengaleg" lang="bn" hreflang="bn" data-title="ক্ষারক" data-language-autonym="বাংলা" data-language-local-name="Bengaleg" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Bazenn_(kimiezh)" title="Bazenn (kimiezh) - Llydaweg" lang="br" hreflang="br" data-title="Bazenn (kimiezh)" data-language-autonym="Brezhoneg" data-language-local-name="Llydaweg" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Baza_(hemija)" title="Baza (hemija) - Bosnieg" lang="bs" hreflang="bs" data-title="Baza (hemija)" data-language-autonym="Bosanski" data-language-local-name="Bosnieg" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-bxr mw-list-item"><a href="https://bxr.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D0%B8%D0%BD_%D2%BB%D1%83%D1%83%D1%80%D0%B8" title="Химиин һуури - Russia Buriat" lang="bxr" hreflang="bxr" data-title="Химиин һуури" data-language-autonym="Буряад" data-language-local-name="Russia Buriat" class="interlanguage-link-target"><span>Буряад</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Base_qu%C3%ADmica" title="Base química - Catalaneg" lang="ca" hreflang="ca" data-title="Base química" data-language-autonym="Català" data-language-local-name="Catalaneg" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AA%D9%81%D8%AA_(%DA%A9%DB%8C%D9%85%DB%8C%D8%A7)" title="تفت (کیمیا) - Cwrdeg Sorani" lang="ckb" hreflang="ckb" data-title="تفت (کیمیا)" data-language-autonym="کوردی" data-language-local-name="Cwrdeg Sorani" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Z%C3%A1sady_(chemie)" title="Zásady (chemie) - Tsieceg" lang="cs" hreflang="cs" data-title="Zásady (chemie)" data-language-autonym="Čeština" data-language-local-name="Tsieceg" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9D%D0%B8%D0%BA%C4%95%D1%81_(%D1%85%D0%B8%D0%BC%D0%B8)" title="Никĕс (хими) - Tshwfasheg" lang="cv" hreflang="cv" data-title="Никĕс (хими)" data-language-autonym="Чӑвашла" data-language-local-name="Tshwfasheg" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Base_(kemi)" title="Base (kemi) - Daneg" lang="da" hreflang="da" data-title="Base (kemi)" data-language-autonym="Dansk" data-language-local-name="Daneg" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Basen_(Chemie)" title="Basen (Chemie) - Almaeneg" lang="de" hreflang="de" data-title="Basen (Chemie)" data-language-autonym="Deutsch" data-language-local-name="Almaeneg" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/Baz" title="Baz - Zazaki" lang="diq" hreflang="diq" data-title="Baz" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%92%CE%AC%CF%83%CE%B7" title="Βάση - Groeg" lang="el" hreflang="el" data-title="Βάση" data-language-autonym="Ελληνικά" data-language-local-name="Groeg" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Base_(chemistry)" title="Base (chemistry) - Saesneg" lang="en" hreflang="en" data-title="Base (chemistry)" data-language-autonym="English" data-language-local-name="Saesneg" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Bazo_(kemio)" title="Bazo (kemio) - Esperanto" lang="eo" hreflang="eo" data-title="Bazo (kemio)" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Base_(qu%C3%ADmica)" title="Base (química) - Sbaeneg" lang="es" hreflang="es" data-title="Base (química)" data-language-autonym="Español" data-language-local-name="Sbaeneg" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Alus_(keemia)" title="Alus (keemia) - Estoneg" lang="et" hreflang="et" data-title="Alus (keemia)" data-language-autonym="Eesti" data-language-local-name="Estoneg" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Base" title="Base - Basgeg" lang="eu" hreflang="eu" data-title="Base" data-language-autonym="Euskara" data-language-local-name="Basgeg" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A8%D8%A7%D8%B2_(%D8%B4%DB%8C%D9%85%DB%8C)" title="باز (شیمی) - Perseg" lang="fa" hreflang="fa" data-title="باز (شیمی)" data-language-autonym="فارسی" data-language-local-name="Perseg" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Em%C3%A4s" title="Emäs - Ffinneg" lang="fi" hreflang="fi" data-title="Emäs" data-language-autonym="Suomi" data-language-local-name="Ffinneg" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/Lip%C3%B5" title="Lipõ - Võro" lang="vro" hreflang="vro" data-title="Lipõ" data-language-autonym="Võro" data-language-local-name="Võro" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/L%C3%BAtur" title="Lútur - Ffaröeg" lang="fo" hreflang="fo" data-title="Lútur" data-language-autonym="Føroyskt" data-language-local-name="Ffaröeg" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Base_(chimie)" title="Base (chimie) - Ffrangeg" lang="fr" hreflang="fr" data-title="Base (chimie)" data-language-autonym="Français" data-language-local-name="Ffrangeg" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Baas" title="Baas - Ffriseg Gogleddol" lang="frr" hreflang="frr" data-title="Baas" data-language-autonym="Nordfriisk" data-language-local-name="Ffriseg Gogleddol" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Bun_(ceimic)" title="Bun (ceimic) - Gwyddeleg" lang="ga" hreflang="ga" data-title="Bun (ceimic)" data-language-autonym="Gaeilge" data-language-local-name="Gwyddeleg" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/Baz_(chimi)" title="Baz (chimi) - Guianan Creole" lang="gcr" hreflang="gcr" data-title="Baz (chimi)" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Base_(qu%C3%ADmica)" title="Base (química) - Galisieg" lang="gl" hreflang="gl" data-title="Base (química)" data-language-autonym="Galego" data-language-local-name="Galisieg" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%AC%E0%AB%87%E0%AA%88%E0%AA%9D" title="બેઈઝ - Gwjarati" lang="gu" hreflang="gu" data-title="બેઈઝ" data-language-autonym="ગુજરાતી" data-language-local-name="Gwjarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%91%D7%A1%D7%99%D7%A1_(%D7%9B%D7%99%D7%9E%D7%99%D7%94)" title="בסיס (כימיה) - Hebraeg" lang="he" hreflang="he" data-title="בסיס (כימיה)" data-language-autonym="עברית" data-language-local-name="Hebraeg" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%95%E0%A5%8D%E0%A4%B7%E0%A4%BE%E0%A4%B0" title="क्षार - Hindi" lang="hi" hreflang="hi" data-title="क्षार" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Base_(chemistry)" title="Base (chemistry) - Fiji Hindi" lang="hif" hreflang="hif" data-title="Base (chemistry)" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Baze_(kemija)" title="Baze (kemija) - Croateg" lang="hr" hreflang="hr" data-title="Baze (kemija)" data-language-autonym="Hrvatski" data-language-local-name="Croateg" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Baz_(chimi)" title="Baz (chimi) - Creol Haiti" lang="ht" hreflang="ht" data-title="Baz (chimi)" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Creol Haiti" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/B%C3%A1zis_(k%C3%A9mia)" title="Bázis (kémia) - Hwngareg" lang="hu" hreflang="hu" data-title="Bázis (kémia)" data-language-autonym="Magyar" data-language-local-name="Hwngareg" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%80%D5%AB%D5%B4%D6%84%D5%A5%D6%80" title="Հիմքեր - Armeneg" lang="hy" hreflang="hy" data-title="Հիմքեր" data-language-autonym="Հայերեն" data-language-local-name="Armeneg" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Base_(chimia)" title="Base (chimia) - Interlingua" lang="ia" hreflang="ia" data-title="Base (chimia)" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Basa" title="Basa - Indoneseg" lang="id" hreflang="id" data-title="Basa" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indoneseg" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Bazo_(kemio)" title="Bazo (kemio) - Ido" lang="io" hreflang="io" data-title="Bazo (kemio)" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Basi" title="Basi - Islandeg" lang="is" hreflang="is" data-title="Basi" data-language-autonym="Íslenska" data-language-local-name="Islandeg" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Base_(chimica)" title="Base (chimica) - Eidaleg" lang="it" hreflang="it" data-title="Base (chimica)" data-language-autonym="Italiano" data-language-local-name="Eidaleg" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%A1%A9%E5%9F%BA" title="塩基 - Japaneeg" lang="ja" hreflang="ja" data-title="塩基" data-language-autonym="日本語" data-language-local-name="Japaneeg" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Bies_(kimischri)" title="Bies (kimischri) - Jamaican Creole English" lang="jam" hreflang="jam" data-title="Bies (kimischri)" data-language-autonym="Patois" data-language-local-name="Jamaican Creole English" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A4%E1%83%A3%E1%83%AB%E1%83%94" title="ფუძე - Georgeg" lang="ka" hreflang="ka" data-title="ფუძე" data-language-autonym="ქართული" data-language-local-name="Georgeg" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/Hoye" title="Hoye - Kabiye" lang="kbp" hreflang="kbp" data-title="Hoye" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kge mw-list-item"><a href="https://kge.wikipedia.org/wiki/Basa" title="Basa - Komering" lang="kge" hreflang="kge" data-title="Basa" data-language-autonym="Kumoring" data-language-local-name="Komering" class="interlanguage-link-target"><span>Kumoring</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9D%D0%B5%D0%B3%D1%96%D0%B7%D0%B4%D0%B5%D1%80" title="Негіздер - Casacheg" lang="kk" hreflang="kk" data-title="Негіздер" data-language-autonym="Қазақша" data-language-local-name="Casacheg" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AA%E0%B3%8D%E0%B2%B0%E0%B2%A4%E0%B3%8D%E0%B2%AF%E0%B2%BE%E0%B2%AE%E0%B3%8D%E0%B2%B2" title="ಪ್ರತ್ಯಾಮ್ಲ - Kannada" lang="kn" hreflang="kn" data-title="ಪ್ರತ್ಯಾಮ್ಲ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%97%BC%EA%B8%B0" title="염기 - Coreeg" lang="ko" hreflang="ko" data-title="염기" data-language-autonym="한국어" data-language-local-name="Coreeg" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Baz_(k%C3%AEmya)" title="Baz (kîmya) - Cwrdeg" lang="ku" hreflang="ku" data-title="Baz (kîmya)" data-language-autonym="Kurdî" data-language-local-name="Cwrdeg" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9D%D0%B5%D0%B3%D0%B8%D0%B7_(%D1%85%D0%B8%D0%BC%D0%B8%D1%8F)" title="Негиз (химия) - Cirgiseg" lang="ky" hreflang="ky" data-title="Негиз (химия)" data-language-autonym="Кыргызча" data-language-local-name="Cirgiseg" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Basis_(chemia)" title="Basis (chemia) - Lladin" lang="la" hreflang="la" data-title="Basis (chemia)" data-language-autonym="Latina" data-language-local-name="Lladin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Bas" title="Bas - Lwcsembwrgeg" lang="lb" hreflang="lb" data-title="Bas" data-language-autonym="Lëtzebuergesch" data-language-local-name="Lwcsembwrgeg" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Base_(cimica)" title="Base (cimica) - Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Base (cimica)" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Bas" title="Bas - Lombardeg" lang="lmo" hreflang="lmo" data-title="Bas" data-language-autonym="Lombard" data-language-local-name="Lombardeg" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BA%9E%E0%BA%B7%E0%BB%89%E0%BA%99%E0%BA%96%E0%BA%B2%E0%BA%99_(%E0%BB%80%E0%BA%84%E0%BA%A1%E0%BA%B5)" title="ພື້ນຖານ (ເຄມີ) - Laoeg" lang="lo" hreflang="lo" data-title="ພື້ນຖານ (ເຄມີ)" data-language-autonym="ລາວ" data-language-local-name="Laoeg" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Baz%C4%97" title="Bazė - Lithwaneg" lang="lt" hreflang="lt" data-title="Bazė" data-language-autonym="Lietuvių" data-language-local-name="Lithwaneg" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/B%C4%81ze_(%C4%B7%C4%ABmija)" title="Bāze (ķīmija) - Latfieg" lang="lv" hreflang="lv" data-title="Bāze (ķīmija)" data-language-autonym="Latviešu" data-language-local-name="Latfieg" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%91%D0%B0%D0%B7%D0%B0_(%D1%85%D0%B5%D0%BC%D0%B8%D1%98%D0%B0)" title="База (хемија) - Macedoneg" lang="mk" hreflang="mk" data-title="База (хемија)" data-language-autonym="Македонски" data-language-local-name="Macedoneg" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%95%E0%B5%8D%E0%B4%B7%E0%B4%BE%E0%B4%B0%E0%B4%82" title="ക്ഷാരം - Malayalam" lang="ml" hreflang="ml" data-title="ക്ഷാരം" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mni mw-list-item"><a href="https://mni.wikipedia.org/wiki/%EA%AF%91%EA%AF%88%EA%AF%A5_%EA%AF%83%EA%AF%8D%EA%AF%A4" title="ꯑꯈꯥ ꯃꯍꯤ - Manipwri" lang="mni" hreflang="mni" data-title="ꯑꯈꯥ ꯃꯍꯤ" data-language-autonym="ꯃꯤꯇꯩ ꯂꯣꯟ" data-language-local-name="Manipwri" class="interlanguage-link-target"><span>ꯃꯤꯇꯩ ꯂꯣꯟ</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Bes" title="Bes - Maleieg" lang="ms" hreflang="ms" data-title="Bes" data-language-autonym="Bahasa Melayu" data-language-local-name="Maleieg" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%98%E1%80%B1%E1%80%B7%E1%80%85%E1%80%BA_(%E1%80%93%E1%80%AC%E1%80%90%E1%80%AF%E1%80%97%E1%80%B1%E1%80%92)" title="ဘေ့စ် (ဓာတုဗေဒ) - Byrmaneg" lang="my" hreflang="my" data-title="ဘေ့စ် (ဓာတုဗေဒ)" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Byrmaneg" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Base" title="Base - Almaeneg Isel" lang="nds" hreflang="nds" data-title="Base" data-language-autonym="Plattdüütsch" data-language-local-name="Almaeneg Isel" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Base_(scheikunde)" title="Base (scheikunde) - Iseldireg" lang="nl" hreflang="nl" data-title="Base (scheikunde)" data-language-autonym="Nederlands" data-language-local-name="Iseldireg" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Base" title="Base - Norwyeg Nynorsk" lang="nn" hreflang="nn" data-title="Base" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwyeg Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Base" title="Base - Norwyeg Bokmål" lang="nb" hreflang="nb" data-title="Base" data-language-autonym="Norsk bokmål" data-language-local-name="Norwyeg Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nov mw-list-item"><a href="https://nov.wikipedia.org/wiki/Base" title="Base - Novial" lang="nov" hreflang="nov" data-title="Base" data-language-autonym="Novial" data-language-local-name="Novial" class="interlanguage-link-target"><span>Novial</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Basa_(quimia)" title="Basa (quimia) - Ocsitaneg" lang="oc" hreflang="oc" data-title="Basa (quimia)" data-language-autonym="Occitan" data-language-local-name="Ocsitaneg" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Beezii" title="Beezii - Oromo" lang="om" hreflang="om" data-title="Beezii" data-language-autonym="Oromoo" data-language-local-name="Oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%96%E0%A8%BC%E0%A8%BE%E0%A8%B0" title="ਖ਼ਾਰ - Pwnjabeg" lang="pa" hreflang="pa" data-title="ਖ਼ਾਰ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Pwnjabeg" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Zasady" title="Zasady - Pwyleg" lang="pl" hreflang="pl" data-title="Zasady" data-language-autonym="Polski" data-language-local-name="Pwyleg" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A7%D8%B3%D8%A7%D8%B3" title="اساس - Western Punjabi" lang="pnb" hreflang="pnb" data-title="اساس" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Base_(qu%C3%ADmica)" title="Base (química) - Portiwgaleg" lang="pt" hreflang="pt" data-title="Base (química)" data-language-autonym="Português" data-language-local-name="Portiwgaleg" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Llipt%27a" title="Llipt'a - Quechua" lang="qu" hreflang="qu" data-title="Llipt'a" data-language-autonym="Runa Simi" data-language-local-name="Quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Baz%C4%83_(chimie)" title="Bază (chimie) - Rwmaneg" lang="ro" hreflang="ro" data-title="Bază (chimie)" data-language-autonym="Română" data-language-local-name="Rwmaneg" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-roa-rup mw-list-item"><a href="https://roa-rup.wikipedia.org/wiki/Baz%C3%A2" title="Bazâ - Aromaneg" lang="rup" hreflang="rup" data-title="Bazâ" data-language-autonym="Armãneashti" data-language-local-name="Aromaneg" class="interlanguage-link-target"><span>Armãneashti</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9E%D1%81%D0%BD%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F_(%D1%85%D0%B8%D0%BC%D0%B8%D1%8F)" title="Основания (химия) - Rwseg" lang="ru" hreflang="ru" data-title="Основания (химия)" data-language-autonym="Русский" data-language-local-name="Rwseg" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%9E%D1%81%D0%BD%D0%BE%D0%B2%D0%B0_(%D1%85%D0%B5%D0%BC%D1%96%D1%8F)" title="Основа (хемія) - Rusyn" lang="rue" hreflang="rue" data-title="Основа (хемія)" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%95%E0%A5%8D%E0%A4%B7%E0%A4%BE%E0%A4%B0%E0%A4%83" title="क्षारः - Sansgrit" lang="sa" hreflang="sa" data-title="क्षारः" data-language-autonym="संस्कृतम्" data-language-local-name="Sansgrit" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%9E%D0%BB%D0%BE%D1%85_(%D1%85%D0%B8%D0%BC%D0%B8%D1%8F)" title="Олох (химия) - Sakha" lang="sah" hreflang="sah" data-title="Олох (химия)" data-language-autonym="Саха тыла" data-language-local-name="Sakha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%A7%D8%B3%D8%A7%D8%B3_(%DA%AA%D9%8A%D9%85%D9%8A%D8%A7)" title="اساس (ڪيميا) - Sindhi" lang="sd" hreflang="sd" data-title="اساس (ڪيميا)" data-language-autonym="سنڌي" data-language-local-name="Sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-se mw-list-item"><a href="https://se.wikipedia.org/wiki/B%C3%A1sa_(kemiija)" title="Bása (kemiija) - Sami Gogleddol" lang="se" hreflang="se" data-title="Bása (kemiija)" data-language-autonym="Davvisámegiella" data-language-local-name="Sami Gogleddol" class="interlanguage-link-target"><span>Davvisámegiella</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Baza_(hemija)" title="Baza (hemija) - Serbo-Croateg" lang="sh" hreflang="sh" data-title="Baza (hemija)" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croateg" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Base_(chemistry)" title="Base (chemistry) - Simple English" lang="en-simple" hreflang="en-simple" data-title="Base (chemistry)" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Z%C3%A1sada_(ch%C3%A9mia)" title="Zásada (chémia) - Slofaceg" lang="sk" hreflang="sk" data-title="Zásada (chémia)" data-language-autonym="Slovenčina" data-language-local-name="Slofaceg" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Baza_(kemija)" title="Baza (kemija) - Slofeneg" lang="sl" hreflang="sl" data-title="Baza (kemija)" data-language-autonym="Slovenščina" data-language-local-name="Slofeneg" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Bazat" title="Bazat - Albaneg" lang="sq" hreflang="sq" data-title="Bazat" data-language-autonym="Shqip" data-language-local-name="Albaneg" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%91%D0%B0%D0%B7%D0%B0_(%D1%85%D0%B5%D0%BC%D0%B8%D1%98%D0%B0)" title="База (хемија) - Serbeg" lang="sr" hreflang="sr" data-title="База (хемија)" data-language-autonym="Српски / srpski" data-language-local-name="Serbeg" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Sanyawa_Basa" title="Sanyawa Basa - Swndaneg" lang="su" hreflang="su" data-title="Sanyawa Basa" data-language-autonym="Sunda" data-language-local-name="Swndaneg" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Bas_(kemi)" title="Bas (kemi) - Swedeg" lang="sv" hreflang="sv" data-title="Bas (kemi)" data-language-autonym="Svenska" data-language-local-name="Swedeg" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Besi_(kemia)" title="Besi (kemia) - Swahili" lang="sw" hreflang="sw" data-title="Besi (kemia)" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BE%E0%AE%B0%E0%AE%AE%E0%AF%8D_(%E0%AE%B5%E0%AF%87%E0%AE%A4%E0%AE%BF%E0%AE%AF%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D)" title="காரம் (வேதியியல்) - Tamileg" lang="ta" hreflang="ta" data-title="காரம் (வேதியியல்)" data-language-autonym="தமிழ்" data-language-local-name="Tamileg" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%90%D1%81%D0%BE%D1%81%D2%B3%D0%BE_(%D0%BA%D0%B8%D0%BC%D0%B8%D1%91)" title="Асосҳо (кимиё) - Tajiceg" lang="tg" hreflang="tg" data-title="Асосҳо (кимиё)" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajiceg" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%9A%E0%B8%AA_(%E0%B9%80%E0%B8%84%E0%B8%A1%E0%B8%B5)" title="เบส (เคมี) - Thai" lang="th" hreflang="th" data-title="เบส (เคมี)" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Base" title="Base - Tagalog" lang="tl" hreflang="tl" data-title="Base" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Baz" title="Baz - Tyrceg" lang="tr" hreflang="tr" data-title="Baz" data-language-autonym="Türkçe" data-language-local-name="Tyrceg" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9D%D0%B8%D0%B3%D0%B5%D0%B7_(%D1%85%D0%B8%D0%BC%D0%B8%D1%8F)" title="Нигез (химия) - Tatareg" lang="tt" hreflang="tt" data-title="Нигез (химия)" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatareg" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-tyv mw-list-item"><a href="https://tyv.wikipedia.org/wiki/%D0%9E%D1%81%D0%BD%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5_(%D1%85%D0%B8%D0%BC%D0%B8%D1%8F)" title="Основание (химия) - Twfwnieg" lang="tyv" hreflang="tyv" data-title="Основание (химия)" data-language-autonym="Тыва дыл" data-language-local-name="Twfwnieg" class="interlanguage-link-target"><span>Тыва дыл</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9E%D1%81%D0%BD%D0%BE%D0%B2%D0%B8_(%D1%85%D1%96%D0%BC%D1%96%D1%8F)" title="Основи (хімія) - Wcreineg" lang="uk" hreflang="uk" data-title="Основи (хімія)" data-language-autonym="Українська" data-language-local-name="Wcreineg" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A7%D8%B3%D8%A7%D8%B3_(%DA%A9%DB%8C%D9%85%DB%8C%D8%A7)" title="اساس (کیمیا) - Wrdw" lang="ur" hreflang="ur" data-title="اساس (کیمیا)" data-language-autonym="اردو" data-language-local-name="Wrdw" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Asos_(kimyo)" title="Asos (kimyo) - Wsbeceg" lang="uz" hreflang="uz" data-title="Asos (kimyo)" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Wsbeceg" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Base_(h%C3%B3a_h%E1%BB%8Dc)" title="Base (hóa học) - Fietnameg" lang="vi" hreflang="vi" data-title="Base (hóa học)" data-language-autonym="Tiếng Việt" data-language-local-name="Fietnameg" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Base" title="Base - Fflemeg Gorllewinol" lang="vls" hreflang="vls" data-title="Base" data-language-autonym="West-Vlams" data-language-local-name="Fflemeg Gorllewinol" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/B%C3%A5ze_(tchimeye)" title="Båze (tchimeye) - Walwneg" lang="wa" hreflang="wa" data-title="Båze (tchimeye)" data-language-autonym="Walon" data-language-local-name="Walwneg" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Base_(kimika)" title="Base (kimika) - Winarayeg" lang="war" hreflang="war" data-title="Base (kimika)" data-language-autonym="Winaray" data-language-local-name="Winarayeg" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%9B%90%E5%9F%BA" title="盐基 - Wu Tsieineaidd" lang="wuu" hreflang="wuu" data-title="盐基" data-language-autonym="吴语" data-language-local-name="Wu Tsieineaidd" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%91%D7%90%D7%96%D7%A2_(%D7%9B%D7%A2%D7%9E%D7%99%D7%A2)" title="באזע (כעמיע) - Iddew-Almaeneg" lang="yi" hreflang="yi" data-title="באזע (כעמיע)" data-language-autonym="ייִדיש" data-language-local-name="Iddew-Almaeneg" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%B9%BD%E5%9F%BA" title="鹽基 - Tsieinëeg" lang="zh" hreflang="zh" data-title="鹽基" data-language-autonym="中文" data-language-local-name="Tsieinëeg" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/I%C3%A2m-ki" title="Iâm-ki - Minnan" lang="nan" hreflang="nan" data-title="Iâm-ki" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%B9%BC" title="鹼 - Cantoneeg" lang="yue" hreflang="yue" data-title="鹼" data-language-autonym="粵語" data-language-local-name="Cantoneeg" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q11193#sitelinks-wikipedia" title="Golygu dolenni rhyngwici" class="wbc-editpage">Golygu dolenni</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Parthau"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Bas_(cemeg)" title="Gweld y dudalen bwnc [c]" accesskey="c"><span>Erthygl</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sgwrs:Bas_(cemeg)&action=edit&redlink=1" rel="discussion" class="new" title="Sgwrsio am y dudalen (dim tudalen ar gael) [t]" accesskey="t"><span>Sgwrs</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Newid amrywiad iaith" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Cymraeg</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Golygon"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Bas_(cemeg)"><span>Darllen</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Bas_(cemeg)&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Bas_(cemeg)&action=edit" title="Golygu cod ffynhonnell y dudalen hon [e]" accesskey="e"><span>Golygu cod</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Bas_(cemeg)&action=history" title="Fersiynau cynt o'r dudalen hon. [h]" accesskey="h"><span>Gweld hanes</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Offer tudalen"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Blwch offer" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Blwch offer</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Blwch offer</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">cuddio</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Rhagor o opsiynau" > <div class="vector-menu-heading"> Gweithredoedd </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Bas_(cemeg)"><span>Darllen</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bas_(cemeg)&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bas_(cemeg)&action=edit" title="Golygu cod ffynhonnell y dudalen hon [e]" accesskey="e"><span>Golygu cod</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Bas_(cemeg)&action=history"><span>Gweld hanes</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Cyffredinol </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Arbennig:WhatLinksHere/Bas_(cemeg)" title="Rhestr o bob tudalen sy'n cysylltu â hon [j]" accesskey="j"><span>Beth sy'n cysylltu yma</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Arbennig:RecentChangesLinked/Bas_(cemeg)" rel="nofollow" title="Newidiadau diweddar i dudalennau sydd yn cysylltu â hon [k]" accesskey="k"><span>Newidiadau perthnasol</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Arbennig:SpecialPages" title="Rhestr o'r holl dudalennau arbennig [q]" accesskey="q"><span>Tudalennau arbennig</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Bas_(cemeg)&oldid=12946648" title="Dolen barhaol i'r fersiwn hwn y dudalen hon"><span>Dolen barhaol</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Bas_(cemeg)&action=info" title="Mwy o wybodaeth am y dudalen hon"><span>Gwybodaeth am y dudalen</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Arbennig:CiteThisPage&page=Bas_%28cemeg%29&id=12946648&wpFormIdentifier=titleform" title="Gwybodaeth ar sut i gyfeirio at y dudalen hon"><span>Cyfeirio at y dudalen hon</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Arbennig:UrlShortener&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FBas_%28cemeg%29"><span>Cael URL byr</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Arbennig:QrCode&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FBas_%28cemeg%29"><span>Lawrlwytho cod QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Argraffu / allforio </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Arbennig:Book&bookcmd=book_creator&referer=Bas+%28cemeg%29"><span>Llunio llyfr</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Arbennig:DownloadAsPdf&page=Bas_%28cemeg%29&action=show-download-screen"><span>Lawrlwytho fel PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Bas_(cemeg)&printable=yes" title="Cynhyrchwch fersiwn o'r dudalen yn barod at ei hargraffu [p]" accesskey="p"><span>Fersiwn argraffu</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Mewn prosiectau eraill </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Bases" hreflang="en"><span>Comin Wikimedia</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q11193" title="Cysylltu i eitem ystorfa gysylltiedig [g]" accesskey="g"><span>Eitem Wicidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Offer tudalen"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Gwedd"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Gwedd</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">cuddio</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Oddi ar Wicipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="cy" dir="ltr"><table class="infobox" style="width:22em"><caption>Bas</caption><tbody><tr><td colspan="2" style="text-align:center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/Delwedd:Sodium_hydroxide_solution.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Sodium_hydroxide_solution.jpg/220px-Sodium_hydroxide_solution.jpg" decoding="async" width="220" height="293" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Sodium_hydroxide_solution.jpg/330px-Sodium_hydroxide_solution.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Sodium_hydroxide_solution.jpg/440px-Sodium_hydroxide_solution.jpg 2x" data-file-width="960" data-file-height="1280" /></a></span></td></tr><tr><th scope="row">Enghraifft o'r canlynol</th><td>dosbarth o endidau cemegol gyda chymwysiadau neu swyddogaethau tebyg <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q11193?uselang=cy#P31" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Math</th><td><a href="/wiki/Cyfansoddyn_cemegol" title="Cyfansoddyn cemegol">cyfansoddyn cemegol</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q11193?uselang=cy#P279" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Y gwrthwyneb</th><td><a href="/wiki/Asid" title="Asid">asid</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q11193?uselang=cy#P461" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><td colspan="2" style="text-align:center"><span typeof="mw:File"><span title="Tudalen Comin"><img alt="Tudalen Comin" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <a href="https://commons.wikimedia.org/wiki/Category:Bases" class="extiw" title="commons:Category:Bases">Ffeiliau perthnasol ar Gomin Wicimedia</a></td></tr></tbody></table> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Potassium_hydroxide.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/33/Potassium_hydroxide.jpg/220px-Potassium_hydroxide.jpg" decoding="async" width="220" height="218" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/33/Potassium_hydroxide.jpg/330px-Potassium_hydroxide.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/33/Potassium_hydroxide.jpg/440px-Potassium_hydroxide.jpg 2x" data-file-width="771" data-file-height="763" /></a><figcaption>Bas (cemeg)</figcaption></figure> <p>Dosbarth o <a href="/wiki/Moleciwl" title="Moleciwl">folecylau</a> <a href="/wiki/Cemeg" title="Cemeg">cemeg</a> yw'r <b>basau</b>. Fe'u diffinnir<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> yn ôl eu dawn wrth doddi mewn <a href="/wiki/D%C5%B5r" title="Dŵr">dŵr</a> i greu hydoddiant ag iddo grynodiad [OH<sup>-</sup>] yn fwy na 10<sup>−7</sup> <a href="/wiki/Molaredd" title="Molaredd">M</a>. Gellir cymharu hyn ag <a href="/wiki/Asid" title="Asid">asid</a>, sy'n creu hydoddiant ag iddo grynodiad [H<sup>+</sup>] yn fwy na 10<sup>−7</sup> <a href="/wiki/Molaredd" title="Molaredd">M</a>. </p><p>Mewn <a href="/wiki/Cemeg" title="Cemeg">cemeg</a>, mae <b>bas</b> yn hylif chwerw, llithrig ac sy'n newid lliw <a href="/w/index.php?title=Dangosydd&action=edit&redlink=1" class="new" title="Dangosydd (dim tudalen ar gael)">dangosydd</a> megis litmws yn las. Mae hefyd yn adweithio gydag <a href="/wiki/Asid" title="Asid">asid</a> ac yn creu halennau drwy <a href="/wiki/Adwaith_cemegol" title="Adwaith cemegol">adwaith cemegol</a>. Mae <a href="/w/index.php?title=Hydrocsid&action=edit&redlink=1" class="new" title="Hydrocsid (dim tudalen ar gael)">hydrocsid</a> <a href="/wiki/Alcali" title="Alcali">alcali</a> yn fas, ac felly <a href="/wiki/Metel_alcal%C3%AFaidd" title="Metel alcalïaidd">metel alcalïaidd</a> sodiwm hydrocsid, calsiwm hydrocsid ayb. Mae'r mathau yma'n cynhyrchu ionau hydrocsid mewn hylif ac felly'n cael eu galw'n basau Arrheniws. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Basau_cryf">Basau cryf</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bas_(cemeg)&veaction=edit&section=1" title="Golygu'r adran: Basau cryf" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bas_(cemeg)&action=edit&section=1" title="Edit section's source code: Basau cryf"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Sodium_hydroxide.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/Sodium_hydroxide.jpg/220px-Sodium_hydroxide.jpg" decoding="async" width="220" height="159" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/Sodium_hydroxide.jpg/330px-Sodium_hydroxide.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/34/Sodium_hydroxide.jpg/440px-Sodium_hydroxide.jpg 2x" data-file-width="704" data-file-height="508" /></a><figcaption>Pelenni hydrocsid sodiwm (ei ffurf cyffredin mewn labordai)</figcaption></figure> <p>Mae basau cryf yn gyfansoddion cemegol syml a all dynnu <a href="/wiki/Proton" title="Proton">proton</a> (H<sup>+</sup>) o foleciwl asid gwan iawn mewn adwaith asid-bas. Ymhlith y basau cryf cyffredin mae: </p><p>Metalau grwp 1 </p> <ul><li><a href="/w/index.php?title=Lithiwm_hydrocsid&action=edit&redlink=1" class="new" title="Lithiwm hydrocsid (dim tudalen ar gael)">Lithiwm hydrocsid</a> (LiOH)</li> <li><a href="/w/index.php?title=Sodiwm_hydrocsid&action=edit&redlink=1" class="new" title="Sodiwm hydrocsid (dim tudalen ar gael)">Sodiwm hydrocsid</a> (NaOH)</li> <li><a href="/w/index.php?title=Potasiwm_hydrocsid&action=edit&redlink=1" class="new" title="Potasiwm hydrocsid (dim tudalen ar gael)">Potasiwm hydrocsid</a> (KOH)</li> <li><a href="/w/index.php?title=Rubidiwm_hydrocsid&action=edit&redlink=1" class="new" title="Rubidiwm hydrocsid (dim tudalen ar gael)">Rubidiwm hydrocsid</a> (RbOH)</li> <li><a href="/w/index.php?title=Cesiwm_hydrocsid&action=edit&redlink=1" class="new" title="Cesiwm hydrocsid (dim tudalen ar gael)">Cesiwm hydrocsid</a> (CsOH)</li></ul> <p>Metalau grwp 2 </p> <ul><li><i><a href="/w/index.php?title=Beryliwm_hydrocsid&action=edit&redlink=1" class="new" title="Beryliwm hydrocsid (dim tudalen ar gael)">Beryliwm hydrocsid</a> (Be(OH)<sub>2</sub>)</i></li> <li><a href="/wiki/Magnesiwm_hydrocsid" title="Magnesiwm hydrocsid">Magnesiwm hydrocsid</a> (Mg(OH)<sub>2</sub>)</li> <li><a href="/w/index.php?title=Calsiwm_hydrocsid&action=edit&redlink=1" class="new" title="Calsiwm hydrocsid (dim tudalen ar gael)">Calsiwm hydrocsid</a> (Ca(OH)<sub>2</sub>)</li> <li><a href="/w/index.php?title=Strontiwm_hydrocsid&action=edit&redlink=1" class="new" title="Strontiwm hydrocsid (dim tudalen ar gael)">Strontiwm hydrocsid</a> (<span class="chemf" style="white-space:nowrap;">Sr(OH)<sub>2</sub></span>)</li> <li><a href="/w/index.php?title=Bariwm_hydrocsid&action=edit&redlink=1" class="new" title="Bariwm hydrocsid (dim tudalen ar gael)">Bariwm hydrocsid</a> (<span class="chemf" style="white-space:nowrap;">Ba(OH)<sub>2</sub></span>)</li></ul> <div class="mw-heading mw-heading2"><h2 id="Basau_niwcleotid">Basau niwcleotid</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bas_(cemeg)&veaction=edit&section=2" title="Golygu'r adran: Basau niwcleotid" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bas_(cemeg)&action=edit&section=2" title="Edit section's source code: Basau niwcleotid"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/Delwedd:Adenine_chemical_structure.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/de/Adenine_chemical_structure.svg/138px-Adenine_chemical_structure.svg.png" decoding="async" width="138" height="149" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/de/Adenine_chemical_structure.svg/207px-Adenine_chemical_structure.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/de/Adenine_chemical_structure.svg/276px-Adenine_chemical_structure.svg.png 2x" data-file-width="138" data-file-height="149" /></a><figcaption>Adenin. Enghraifft o fas nitrogen organig (pwrin).</figcaption></figure> <p>Mewn <a href="/wiki/Biocemeg" title="Biocemeg">biocemeg</a> a <a href="/wiki/Bioleg_foleciwlaidd" title="Bioleg foleciwlaidd">bioleg moleciwlar</a>, cyfeirir at fasau fel rhan nodweddiadol <a href="/wiki/Niwcleotid" title="Niwcleotid">niwcleotidau</a>. <a href="/wiki/Polymer" title="Polymer">Polymerau</a> <a href="/wiki/Niwcleotid" title="Niwcleotid">niwcleotid</a> yw <a href="/wiki/DNA" title="DNA">DNA</a> ac <a href="/wiki/RNA" title="RNA">RNA</a>. Cynhwysir basau <a href="/wiki/Cemeg_organig" title="Cemeg organig">organig</a>, yn cynnwys <a href="/wiki/Atom" title="Atom">atomau</a> <a href="/wiki/Nitrogen" title="Nitrogen">nitrogen</a> (y <a href="/w/index.php?title=Pwrin&action=edit&redlink=1" class="new" title="Pwrin (dim tudalen ar gael)">pwrinau</a> Adenin a Gwanin, a'r <a href="/w/index.php?title=Pyrimidin&action=edit&redlink=1" class="new" title="Pyrimidin (dim tudalen ar gael)">pyrimidinau</a> Thymin, Wracil a Cytosin ynghyd â basau llai cyfarwydd megys y pwrin Inosin), yn y <a href="/wiki/Moleciwl" title="Moleciwl">molecylau</a> <a href="/wiki/Niwcleotid" title="Niwcleotid">niwcleotid</a> hyn<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Cyfeiriadau">Cyfeiriadau</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bas_(cemeg)&veaction=edit&section=3" title="Golygu'r adran: Cyfeiriadau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bas_(cemeg)&action=edit&section=3" title="Edit section's source code: Cyfeiriadau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> Masterton W.L. & Hurley C.N. (1993) Chemistry. Principles & Reactions (2ed) Harcourt Brace Jovanovich publ</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">Michael Kent (<i>cyf</i> Lynwen Rees Jones) (2005) Bioleg Uwch. Oxford/CBAC (tud 36)</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Dolen_allanol">Dolen allanol</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Bas_(cemeg)&veaction=edit&section=4" title="Golygu'r adran: Dolen allanol" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Bas_(cemeg)&action=edit&section=4" title="Edit section's source code: Dolen allanol"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> <a rel="nofollow" class="external text" href="http://scienceaid.co.uk/chemistry/physical/acidbases.html">Science Aid: Acids and Bases</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20161227185722/http://scienceaid.co.uk/chemistry/physical/acidbases.html">Archifwyd</a> 2016-12-27 yn y <a href="/wiki/Peiriant_Wayback" title="Peiriant Wayback">Peiriant Wayback</a> Gwybodaeth i'r sector uwchradd ynglŷn â basau.</li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Wedi dod o "<a dir="ltr" href="https://cy.wikipedia.org/w/index.php?title=Bas_(cemeg)&oldid=12946648">https://cy.wikipedia.org/w/index.php?title=Bas_(cemeg)&oldid=12946648</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Arbennig:Categories" title="Arbennig:Categories">Categorïau</a>: <ul><li><a href="/wiki/Categori:Basau" title="Categori:Basau">Basau</a></li><li><a href="/wiki/Categori:Cyfansoddion_cemegol" title="Categori:Cyfansoddion cemegol">Cyfansoddion cemegol</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Chategori cudd: <ul><li><a href="/wiki/Categori:Tudalennau_gyda_meysydd_deublyg_yn_y_Nodion" title="Categori:Tudalennau gyda meysydd deublyg yn y Nodion">Tudalennau gyda meysydd deublyg yn y Nodion</a></li><li><a href="/wiki/Categori:Erthyglau_sy%27n_defnyddio_Nodyn_Gwybodlen_pethau_Wicidata" title="Categori:Erthyglau sy'n defnyddio Nodyn Gwybodlen pethau Wicidata">Erthyglau sy'n defnyddio Nodyn Gwybodlen pethau Wicidata</a></li><li><a href="/wiki/Categori:Webarchive_template_wayback_links" title="Categori:Webarchive template wayback links">Webarchive template wayback links</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Golygwyd y dudalen hon ddiwethaf ar 12 Awst 2024, am 19:38.</li> <li id="footer-info-copyright">Mae'r testun ar gael o dan <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-ShareAlike License</a>; gall telerau ychwanegol fod yn berthnasol. Gweler y <a class="external text" href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use">Telerau Gwasanaeth</a> am fanylion.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Polisi preifatrwydd</a></li> <li id="footer-places-about"><a href="/wiki/Wicipedia:Yngl%C5%B7n_%C3%A2_Wicipedia">Ynglŷn â Wicipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wicipedia:Gwadiad_Cyffredinol">Gwadiadau</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Cod Ymddygiad</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Datblygwyr</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/cy.wikipedia.org">Ystadegau</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Datganiad cwcis</a></li> <li id="footer-places-mobileview"><a href="//cy.m.wikipedia.org/w/index.php?title=Bas_(cemeg)&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Golwg symudol</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-xn2z5","wgBackendResponseTime":205,"wgPageParseReport":{"limitreport":{"cputime":"0.246","walltime":"0.705","ppvisitednodes":{"value":3580,"limit":1000000},"postexpandincludesize":{"value":8951,"limit":2097152},"templateargumentsize":{"value":3678,"limit":2097152},"expansiondepth":{"value":14,"limit":100},"expensivefunctioncount":{"value":0,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":941,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 293.059 1 -total"," 85.30% 249.994 1 Nodyn:Pethau"," 79.30% 232.386 1 Nodyn:Infobox"," 36.13% 105.884 100 Nodyn:If_first_display_both"," 5.52% 16.163 2 Nodyn:Wikidata"," 5.17% 15.142 1 Nodyn:Webarchive"," 4.37% 12.801 2 Nodyn:Chem"," 4.04% 11.834 1 Nodyn:Cyfeiriadau"," 2.59% 7.595 2 Nodyn:Chem/link"," 2.45% 7.181 1 Nodyn:Icon"]},"scribunto":{"limitreport-timeusage":{"value":"0.117","limit":"10.000"},"limitreport-memusage":{"value":3296266,"limit":52428800}},"cachereport":{"origin":"mw-api-ext.eqiad.main-554b4d8996-7f85f","timestamp":"20241118234203","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Bas (cemeg)","url":"https:\/\/cy.wikipedia.org\/wiki\/Bas_(cemeg)","sameAs":"http:\/\/www.wikidata.org\/entity\/Q11193","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q11193","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2014-05-09T20:42:31Z","dateModified":"2024-08-12T19:38:59Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/f\/f0\/Sodium_hydroxide_solution.jpg"}</script> </body> </html>