Question

4. What is a balanced chemical equation? Why should chemical equations be balanced?​

Answer 1

"Answer:

A chemical equation having equal number of all the atoms in the reactants and products is called balanced chemical equation.

Example: H2 + Cl2 ----> 2 HCl

                NH3 + HCl ----> NH4Cl

Chemical equations should  be balanced so that it satisfies the law of conservation of matter, that states that matter cannot be produced or destroyed in a closed system.

"

Answer 2

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• A chemical equation having an equal number of atoms on both side of the equation is called balanced chemical equation.

A chemical equation should be balanced to satisfy the law of conservation of mass which states that matter can neither be created nor destroyed in a chemical reaction.