Question

Why are test tubes made up of very thin glass?​

Answer 1

Answer:

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Explanation:

Test tubes, intended for general chemical work are usually made of glass, for better resistance to heat and corrosive chemicals and longer life. Tubes made from expansion-resistant glasses, mostly borosilicate glass (or fused quartz) can withstand high temperatures, up to several hundred degrees Celsius.

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Answer 2

Test tubes are made up of very thin glass for the following reasons -

• If we make test tubes with thick glass then the total weight of the taste you will increase which is not suitable for holding with test tube holders for a very long time.

• The thick layer of glass will decrease the inner hollow volume of the test tube which is not preferable for retaining a greater amount of chemical in the test tube.

• The thick layer glass will resist the heat in more amount which will increase the time of heating of the substances inside the test tube.