Question

please give the correct answer please ​

Answer 1

option(d)

reactants must be on left hand side and products which will obtained by the reactions reacting on the LHS will be on the RHS

the reactants and the products must be in equal quantities if not they must be balanced which we call as balanced equations. a chemical equation is only valid when the equation is balanced

Answer 2

Answer:

Your answer is here:-

Explanation:

1. d) all the above

2. b) 2 in front of HCl on the side of reactants.

Hope it helps you.