Assertion `(A)`: In a reaction of `H_2O_2` and `Na_2CO_3`, hydrogen peroxide acts as acid.
Reason `(R)` : `H_2O_2` cannot act as acid.
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.