Assertion (A) Molar mass of `D_(2)O` is more than that of protium oxide. Reason (R ) Boiling point of protium oxide is higher th

Assertion (A) Molar mass of `D_(2)O` is more than that of protium oxide.
Reason (R ) Boiling point of protium oxide is higher than that of `D_(2)O`.
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 a correct explanation of A
C. A is true but R is fales
D. A is fales but R is true.

Assertion (A) Molar mass of `D_(2)O` is more than that of protium oxide. Reason (R ) Boiling point of protium oxide is higher than that of `D_(2)O`.

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