Answers

2015-07-07T18:29:48+05:30
Balancing a chemical equation is
making all the elements number equal on both side of equation
i.e., L.H.S. = R.H.S.
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2015-07-07T18:38:31+05:30
An equation is said to be balanced, if number of atoms on reactant side are equal to number atoms on product side.
An equation need to be balanced because according to the LAW OF CONSERVATION OF MASS mass of reactants is equal to mass of products 
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