to hold the test tube
use to hold test tube..
A test tube holder or test tube clamp is used to hold a test tube when heating it over a Bunsen burner. The holder provides a safe way to hold the test tube without the risk of burning yourself.
we use test tube to hold chemicals and heat and chemicals.
it is use to hold the test tube
When heating a test tube with any substance in it, you hold it with a test tube holder, pointed away from you and other people.
A test tube holder is used to hold and carry individual test tubes securely, typically made of metal or plastic with a spring mechanism to grip the tube. A test tube rack is used to hold multiple test tubes upright and organized, often made of plastic or wood with holes to fit the test tubes.
A test tube rack is used to hold test tubes upright to keep them from spilling.
Test tube rack is use to hold test tube when they are not in use.
A test tube rack is used to hold test tubes upright to keep them from spilling.
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A clamp or test tube holder is typically used to hold a test tube in distillation setups to secure it in place during the distillation process.