Question

Define:- (A) Reactants (B) Products (C) Balanced Chemical Equations

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Answer 1

Answer:

A. a substance that takes part in and undergoes changes during reaction.

B. an article or substance that is refined for manufacture or sale.

C. a chemical equation is the symbol representation of a chemical reaction in the form of symbol and formulae.

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Answer 2

here,

hydrogen and oxygen : reactants

water : products

balanced chemical equation :

As there are 2 oxygen molecules on the reactants side , 2 is multiplied on products side in order to balance the reaction . Now there are 4 molecules of hydrogen on products side , so hydrogen is multiplied with 2 in the reactants side in order to balance the reaction.