Question

define chemical reaction​

Answer 1

Answer:

A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another.

ex.

iron and oxygen combining to make rust. vinegar and baking soda combining to make sodium acetate, carbon dioxide and water.

Explanation:

Answer 2

Answer:

All chemical changes are accompanied by chemical reactions and those are represented in symbolic way known as chemical equations.

Hope it helps