It is a glass tube and it is used to contain substances being tested!
The alternative name for the germ tube test is "Reynold's test."
another name for test tube is culture tube or sample tube
A sample tube, culture tube, sometimes a boiling tube.
A test tube rack.
A test-tube holder, also known as test-tube clamp or test-tube rack, is used to hold a test tube over a Bunsen burner during heating. It is designed to ensure safe handling and prevent accidents while working with test tubes and heat sources.
Louise Brown - 1978
test tube
perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test
harsha chawda
Muhammad Jupah
elizabeth comeau
Louise Joy Brown was the first successful test-tube baby and was born on July 25, 1978.