Question

please tell me the definition of test tube​

Answer 1

Answer:

A test tube, also known as a culture tube or sample tube, is a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom. Test tubes are usually placed in special-purpose racks

Explanation:

Answer 2

Explanation:

a thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments.

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