Question

1. Assertion (A): Zinc reacts with sulphuric acid to form zinc sulphate and hydrogen gas and it is a displacement reaction.
Reason (R): Zinc reacts with oxygen to form zinc oxide.

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

(b) BOTH A AND R ARE TRUE BUT R IS NOT THE CORRECT EXPLANATION OF A

Explanation:

BECAUSE IN ASSERTION THERE IS NO WORK OF OXYGEN.

REASON IS CORRECT BECAUSE ZINC REACT WITH OXYGEN TO FORM ZINC OXIDE (COMPOUND)

Zn + O = ZnO