(a) Why is it necessary to balance a chemical equation? (b)Name two methods for balancing a chemical equation.

(a) Why is it necessary to balance a chemical equation?
(b)Name two methods for balancing a chemical equation.
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1 Answer

Answer :

a) Because a correct chemical equation must be in accordance with the law of conservation of mass according to which the total mass of the reactants must be equal to the total mass of the product.
b) Hit and trial method, Oxidation number method.
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