LABORATORY APPARATUS - HOW TO USE AND WHAT ARE THEIR ADVANTAGES ?
1, I am ‘Test tube’…..!
A
test tube is a clear glass or plastic container that is much longer than its
wide, commonly has a U-shaped bottom and has an open top. Glass and special plastic test tubes are also
non-reactive. Many metals react with all
sorts of chemicals in ways that would ruin an experiment or sample.
Chemists use test
tubes to mix, heat...
