Question

what isthe purpose of test tube​

Answer 1

$\huge\bold{\underline\pink{Answer}}$

Test tubes are convenient containers for heating small amounts of liquids or solids with a Bunsen burner or alcohol burner. The tube is usually held by its neck with a clamp or tongs.

Answer 2

Explanation:

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.