Question

On what basis is a chemical equation balanced?​

Answer 1

Answer:

A chemical equation is balanced on the basis of law of conservation of mass; it states that "matter can neither be created nor be destroyed".

Answer 2

Answer:

A chemical equation is said to be balanced when the atomic mass of both the reactants and products are equal.

Explanation:

FOR EXAMPLE :

2Mg + O2 ---> 2MgO