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You would obtain a test tube, measure the mass of the test tube. Then add the NaCl to the test tube and measure the mass. Then subtract the mass of the test tube from the mass of the test tube+the NaCl to find the mass of the NaCl.
when was test tube first made,when and who?
test tube is classified in to various types namely hard test tube ,boiler test tube,20 ml test tube
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very bad
A test tube alien is an alien in a test tube which grows to it's full size in 2-3 weeks time. Have fun with it and make sure that you treat it properly so it will live for a long time!
In vitro fertilization
if you light a splint and put it in the test tube it will make a squeeky pop sound x
A test tube (or sample tube) has no errors.
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
Test tube brush=use for cleaning test tubes
Test tube holder