Question

Q4. Define the following :

(a) Chemical Reaction

(b)Chemical Equation​

Answer 1

(a)chemical reaction:

process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

&

(b)chemical equation :

chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side.

hope it will help u dear friend....✌