To prevent from rolling
It keeps test tube up right to prevent from rolling or spilling
A test tube rack is used to stand glass test tubes upright in. Glass test tubes have round bottoms, so need a rack to keep them upright. Otherwise, they would fall over and spill their contents.
another name for test tube is culture tube or sample tube
It depends on what size test tube you are using.
If a test tube is clean and dry, then there should be nothing in it.
You first get a bowl of tap water, get a test tube with the argon in it. Take out the cork screw out of the test tube. Get a splint put it over the test tube when you open it and it it pops that means it is a metal
It can be held upright with a test tube stand or a retort stand.
A test tube rack is used to hold test tubes upright to keep them from spilling.
A test tube rack is used to hold test tubes upright to keep them from spilling.
To hold your test tubes in, or to keep them upright.
A test tube rack is used to stand glass test tubes upright in. Glass test tubes have round bottoms, so need a rack to keep them upright. Otherwise, they would fall over and spill their contents.
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).
It is a clamp that holds a test tube -- for instance to hold a test tube while heating it without getting burned. It is made from a thick piece of metal wire that is shaped into a spring-loaded clamp to securely hold a test tube.Note the difference between a test tube clamp, and a test tube rack. A clamp is a way to hold a single test tube while heating the contents inside without actually touching the test tube itself. A rack is instead used to hold many test tubes at once in an upright position. See the Related Questions links below for more information on test tube racks.
It is a rack made of wood or metal used to keep test tupes organized and steady.
when was test tube first made,when and who?
An elephant in an inner tube.
test tube is classified in to various types namely hard test tube ,boiler test tube,20 ml test tube
perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test perform a tube leak test