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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 clearplastic tubing, open at the top, usually with a rounded U-shaped bottom. A large test tube designed specifically for boiling liquids is called a boiling tube.
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∙ 13y ago
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What is Hard test tube?
a hard glass test tube is a test tube made out of glass that is almost impossible to break.
What is the function of the glass tubing?
The function of a hard glass test tube is heating a substance. The glass is resistant to chemicals and it can withstand pressure and heat.
Hard glass test tubes - material?
A test tube is usually made from plastic or glass and is shaped like a long tube. If used for a physics or chemistry experiment, one would use the glass test tube. If used for cultures, one would use the plastic tube and discard after use.
Why a hard glass test-tube is made slightly inclined towards its mouth?
I suppose that the scope is an easier drainage of solutions.
What are the classifications of test tube?
test tube is classified in to various types namely hard test tube ,boiler test tube,20 ml test tube
What term describes an experiment done in a test tube?
Observations are made in a test tube.
What gas is evolved when a few crystals of potassium nitrate are heated in a hard glass test tube?
Nitrogen dioxide and oxygen are released.
Who makes a U shaped test tube?
I'm sure Ace Glass has one, or would be happy to make you one. For that matter, it wouldn't be hard to make one yourself given a straight glass tube, just heat it and bend it.
How did the test tube get its name?
It is a glass tube and it is used to contain substances being tested!
What elements are in a test tube?
A test tube made up of glass has silicon, sodium, calcium, lead and potassium elements.
What holds a test tube?
The test tube holders in my school are made of wood, but they are quite old, and modern one's might not be wood. They can be made of wood, plastic, styrofoam, or metal
What is the difference between a boiling tube and test tube?
A boiling tube is for boiling chemicals or metals, a test-tube is for holding chemical reactants. Test tubes are slimmer, boiling tubes are wide and are made of thin glass
