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Available in 8 languages" > <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-8" 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">8 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A3%D9%86%D8%A8%D9%88%D8%A8_%D8%BA%D9%84%D9%8A%D8%A7%D9%86" title="أنبوب غليان – Arabic" lang="ar" hreflang="ar" data-title="أنبوب غليان" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-en badge-Q70893996 mw-list-item" title=""><a href="https://en.wikipedia.org/wiki/Boiling_tube" title="Boiling tube – English" lang="en" hreflang="en" data-title="Boiling tube" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Tubo_de_ebullici%C3%B3n" title="Tubo de ebullición – Spanish" lang="es" hreflang="es" data-title="Tubo de ebullición" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%84%D9%88%D9%84%D9%87_%D8%AC%D9%88%D8%B4" title="لوله جوش – Persian" lang="fa" hreflang="fa" data-title="لوله جوش" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Tubo_de_ebulici%C3%B3n" title="Tubo de ebulición – Galician" lang="gl" hreflang="gl" data-title="Tubo de ebulición" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</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%B5%E0%A4%A5%E0%A4%A8_%E0%A4%A8%E0%A4%B2%E0%A5%80" title="क्वथन नली – Hindi" lang="hi" hreflang="hi" data-title="क्वथन नली" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AF%8A%E0%AE%A4%E0%AE%BF_%E0%AE%95%E0%AF%81%E0%AE%B4%E0%AE%BE%E0%AE%AF%E0%AF%8D" title="கொதி குழாய் – Tamil" lang="ta" hreflang="ta" data-title="கொதி குழாய்" data-language-autonym="தமிழ்" 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href="/wiki/File:Test_tube_true_C.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/a/a4/Test_tube_true_C.png" decoding="async" width="50" height="174" class="mw-file-element" data-file-width="50" data-file-height="174" /></a><figcaption>A boiling tube looks much like a test tube.</figcaption></figure> <p>A <b>boiling tube</b> is a large tube made of glass, which is used in laboratory to strongly heat substances. A boiling tube is a scaled-up <a href="/wiki/Test_tube" title="Test tube">test tube</a>, but larger in size. This larger size allows substances to boil freely inside a boiling tube. </p><p>Boiling tubes can also be used as a replacement for test tubes specially when a larger <a href="/wiki/Volume" title="Volume">volume</a> is desired. </p><p>Boiling tubes are commonly made from <a href="/wiki/Pyrex" title="Pyrex">Pyrex</a> glass which can tolerate high <a href="/wiki/Temperature" title="Temperature">temperatures</a>. </p><p>Boiling tube is also known as Hard Glass Tube </p> <div class="navbox-styles nomobile"><style data-mw-deduplicate="TemplateStyles:r9122492">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output 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class="navbox-group" style="width:1%"><a href="/wiki/Laboratory_equipment" title="Laboratory equipment">Equipment</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <span style="white-space:nowrap;"><a href="/wiki/Agar_plate" title="Agar plate">Agar plate</a>  •</span> <span style="white-space:nowrap;"> <a href="/wiki/Aspirator" title="Aspirator">Aspirator</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Bunsen_burner" title="Bunsen burner">Bunsen burner</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Calorimeter" title="Calorimeter">Calorimeter</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Colorimeter" title="Colorimeter">Colorimeter</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Centrifuge" title="Centrifuge">Centrifuge</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Condenser_(apparatus)" title="Condenser 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navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <span style="white-space:nowrap;"><a href="/wiki/Beaker" title="Beaker">Beaker</a> •</span> <span style="white-space:nowrap;"><a class="mw-selflink selflink">Boiling tube</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/B%C3%BCchner_funnel" title="Büchner funnel">Büchner funnel</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Burette" title="Burette">Burette</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Conical_measure" title="Conical measure">Conical measure</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Crucible" title="Crucible">Crucible</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Cuvette" title="Cuvette">Cuvette</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Gas_syringe" title="Gas syringe">Gas syringe</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Graduated_cylinder" title="Graduated cylinder">Graduated cylinder</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Pipette" title="Pipette">Pipette</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Petri_dish" title="Petri dish">Petri dish</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Separating_funnel" title="Separating funnel">Separating funnel</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Soxhlet_extractor" title="Soxhlet extractor">Soxhlet extractor</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Test_tube" title="Test tube">Test tube</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Thistle_tube" title="Thistle tube">Thistle tube</a> •</span> <span style="white-space:nowrap;"><a href="/wiki/Watch_glass" title="Watch glass">Watch glass</a></span></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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