Question

What is chemical reaction?​

Answer 1

The 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.

Hey Mate ..

HERE IS YOUR ANSWER!!!

Answer 2

$\huge\mathbb\green{Chemical\:Reaction:-}$

A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants.