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What is balanced chemical equation? Why ...

What is balanced chemical equation? Why should chemical equations be balanced?

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1) All chemical equations are must be balanced, because atoms are neither created nor destroyed in a chemical reaction.
2) Law of mass of conservation should be followed.
3) A chemical equation in which the number of atoms of different elements on the reactant side are same as those on product side is called a balanced reaction.
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VGS PUBLICATION-BRILLIANT-CHEMICAL REACTIONS AND EQUATIONS-ESSENTIAL MATERIAL FOR EXAMINATION PURPOSE
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