Question

1. Assertion (A): In a balanced chemical equation, the total mass of the reactants is equal to the total mass of the products.
Reason (R): Mass can neither be created nor destroyed during a chemical change.

choose one answer:
(a) both A and R are true and R is the correct explanation of A.
(b) both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true

Answer 1

Answer:

a) both A and R are correct and R is correcr explanation of A