Question

Assertion `(A)`: The colour of old lead painting can be restored by washing with dilute solution of `H_2O_2`.
Reason `(R)` : Black lead sulphide is oxidised by `H_2O_2` to white lead suphate.
A. If both (A) and (R) are correct and (R) is the correct explanation of (A).
B. If both (A) and (R) are correct but (R) is not the correct explanation of (A).
C. If (A) is correct, but (R) is incorrect.
D. If (A) is incorrect, but (R) is correct.

Answer 1

Correct Answer - A
Both (A) and (R) are correct and (R) is the correct explanation of (A).