Question

what is balance chemical reaction

Answer 1

Balanced chemical reaction is a reaction in which both reactant and product are used in equal amount

For example:-
Zn+H2SO4--->ZnSO4+H2

Answer 2

an equation where the no. of atoms of the elements of both sides of the equation are equal,is called balance chemical equation.An equation is needed to be balanced to follow the law of conservation of mass.