why are test tubes made of glass? reason
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hey mate here is your answer--
as we know testubes are used in laboratory or chemical work propose.
testubes are made up of glass for its relative resistance to heat....
testube can withstand in higher temperature ..
I hope it's helpful for you
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Test tubes intended for general chemical work are usually made of glass, for its relative resistance to heat. 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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