Question

define word chemical equations​

Answer 1

A chemical equation is a symbolic representation of a chemical reaction using symbols and formula of the reactants and the products.

For example,

Hydrogen+Oxygen--)Water

2H2+O2--)2H20

Hope it helps...

Answer 2

A chemical reaction can be represent by chemical equation. It involves uses of symbols of elements or chemical formula of reactant and product with mention of physical state.