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jhon flamsteed
This is a disputed answer see discussion.
Very few containers were made specifically for experimental purposes prior to the early 1800s, and even then only for rich scientists such as the chemist Antoine Lavoisier (1743-94).
Some of Lavoisier's experimental glass vessels could loosely be described as test tubes.
The earliest recorded use of the expression 'Test-Tube', is from1846.
What else can I help you with?
What is the name for the thing that holds a test-tube over a Bunsen burner?
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.
What can a test tube be held upright with?
A test tube can be held upright using a test tube rack, a test tube holder, or a clamp attached to a stand. These tools provide stability and prevent the test tube from tipping over during experiments.
Another name of germ tube test?
The alternative name for the germ tube test is "Reynold's test."
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 is a test tube holder or rack and what are its uses?
A test tube holder or rack is used in a laboratory to hold or support test tubes containing chemicals or other contents awaiting further operations. Although it is called a test tube holder, it is also used to hold/support pipettes, etc. Since a test tube has a rounded bottom, it cannot stand by itself; the rack is a convenient and necessary piece of laboratory equipment for the storage of test tubes.
What is used to grip test tube?
Test tube holder
What holds a test tube?
A test tube holder, also known as a test tube clamp or test tube rack, is used to hold a test tube securely in place during experiments and handling. It provides a firm grip to prevent the test tube from slipping or breaking.
What is the used of test tube holder?
use to hold test tube..
Description of test tube holder?
it is a testube holder
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.
What is the difference between a test tube holder and a test tube rack?
No. A ringstand is a stand with a base with a large pole sticking out of it. that you can attach rings to. A wire mesh is usually placed on the ring for setting a beaker to be heated. A test tube clamp can be attached to the ring stand to hold a test tube, for say, heating it in a hot water bath.
How do you use the test tube holder?
Very simple, place the test tubes in the holder.
What would you use if you were holding and heating a test tube?
When heating a test tube, you would use a test tube holder. It can also be used to hold/ support pipettes, etc. http://www.answers.com/mt/test-tube-holder
What the function of the tube holder?
it is use to hold the test tube
What is used for holding a test tube in place when the tube is hot or should not be touched?
A test tube holder, also known as test tube clamp or test tube rack, is used to hold a test tube in place when the tube is hot or should not be touched. It allows safe handling of test tubes during heating or when conducting chemical reactions.
What is used to hold a test tube when heating over a Bunsen burner?
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.
What is a test tube holder and what are it's uses?
A test tube holder is a device to ...wait for it...hold test tubes ! ;-) Usually a rack or clamp that keeps them upright (& full if in use).
