COMPLETE STUDY MATERIAL ON CHEMICAL EQUATIONS - FOUNDATION TO ADVANCED

CHEMICAL REACTIONS - CHEMICAL EQUATIONS INTRODUCTION: In our daily life we all know about physical changes and chemical changes, all these changes are observed in our day today life.  We observe ice converts into water vapor and vice versa.  In this example, the changes in the states of matter are observed and heat may be gained or released.  Similarly, burning of wood also example. CHEMICAL REACTION:  Chemical reactions represent the processes in which a single substance or substances undergo change to produce new substance...

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LABORATORY APPARATUS - USES

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...

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