Because if you lay it down everything will pour out and you would have to start growing a new baby all over again.
no.
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.
A test tube is used for many things. It is used to perform experiments as well as measure out certain mL of fluids. The rack itself is used for holding the test tubes if they are hot, need to stay in one place for a long time, or just so you don't have to hold the tube. Hope this helps!
Test tube brush=use for cleaning test tubes
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.
i lob u
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.
no.
the answer is none
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.
Test tube rack
It is a rack made of wood or metal used to keep test tupes organized and steady.
test tube is where u keep ur filled or unfilled test tube during experiment.
I think the test tube rack is used to hold any amount of chemical or liquid during an experiment.
Test tube rack does not measure but supports tubes during titration or storage hence preventing them from damage.
used to place the test tube . :D hahaha