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to avoid bench contamination
answer by cowboy
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∙ 12y ago
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What is test tube stand used for?
to hold the test tube
What is the used of test tube holder?
use to hold test tube..
Uses of test tube rock?
a test tube rock is used to measure liquids
What two things are important to remember when heating a test tube?
never hold the heated test tube with your hands or you will get burnt.if you want to hold a heated test tube hold it with tongs or a test tube holder. also have a teacher help you.
Why do we use test tube?
we use test tube to hold chemicals and heat and chemicals.
What the function of the tube holder?
it is use to hold the test tube
Which is the correct way to hold a test tube whike heating its unknown chemical?
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.
Which safety precaution is recommended when a liquid is being heated in a test tube?
Wear goggles and a laboratory apron Hold the test tube with a test tube clamp not in your bare hand. If the liquid is nonflammable it may be heated in the flame of a Bunsen burner, otherwise a hot water bath over a hot plate may be more advisable. If heating in the flame of a Bunsen burner hold the test tube at an angle and move the tube in and out of the cool area of the flame. Alway point the opening of the test tube AWAY from yourself and others.
What is a test tube rack?
A test tube rack is used to hold test tubes upright to keep them from spilling.
Used for holding test tubes when they are not in use?
Test tube rack is use to hold test tube when they are not in use.
What a test tube rack?
A test tube rack is used to hold test tubes upright to keep them from spilling.
Why is test tube placed in a test tube rack rather than in your hand?
i lob u
