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The ability of a substance to stick on inside part of a test tube depends on its surface tension, that's why substances such as water can stick to a window. And the other reason for sticking of a substance to the test tube could be that the test tube itself is dirty, thus the dirt particles hold the substance in place.
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What do you use to clean the inside of a test tube?
You should use a test brush and a cleaning substance.
Heated test tube using burner with closed air holes?
Heated test tube with a bunsen burner with closed air holes would result to the test tube having some kind of black material at the bottom, it looks like a burnt coal that stick to the bottom of the test tube. This happens because the flame is not a good flame.
What do you use a test tube holder for?
Like the function of a beaker; to hold chemicalsA test tube is another useful science equipment used in experiments. A test tube is used:-1. to carry solids or liquids in small quantity.2. to do experiments, such as knowing the nature of the substance poured in it( acidic, basic or neutral) .basically, test tube's function is to carry substances in science labs.
Uses of test tube brush?
Test tube brush=use for cleaning test tubes
Can you place a hot test tube in a test tube rack?
no.
What is the proper technique to test the odor of a vapor in a test tube?
Often, there are better ways to test a substance than an odor test. If necessary, carefully and gradually waft the vapor toward your nose. Don't stick your nose in or over the testtube.
Function of the test tube?
use to hold liqud or substance
What happens when you thrust a glowing bamboo stick inside the test tube?
If only oxygen is in the test tube, it may burst into flame.
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.
What do you use to clean the inside of a test tube?
You should use a test brush and a cleaning substance.
When you are heating materials in a test tube what is very important about the mouth of the test tube?
The most important aspect of heating liquids in a test tube is to never look directly into the mouth of the test tube, as liquid may spurt out and come into contact with your eyes or face. However, if you are wearing plastic safety glasses, the substance may not harm you, depending on the type of substance you are heating.
What laboratory tools are used measuring liquid substance?
beaker,test tube,
What will happen when you thrust a glowing bamboo stick inside the test tube with oxygen?
The glowing splint will relight if you place it in a flask with oxygen. Scientists do this as a test for oxygen so if it relights, then that means the flask contains oxygen.
What happen when you placed a lightened match near the mouth of the test tube?
its obvious that the chemical reaction of the match sets the stick of wood on fire but if you put it in a test tube full of water it will reach its full potential of burning and simply go out the is written by Jesse page
Heated test tube using burner with closed air holes?
Heated test tube with a bunsen burner with closed air holes would result to the test tube having some kind of black material at the bottom, it looks like a burnt coal that stick to the bottom of the test tube. This happens because the flame is not a good flame.
What substance would the student expect to find if respiration occurred in the test tube?
Carbon Dioxide (CO2)
Where was the test tube made?
when was test tube first made,when and who?
