101.

Assertion (A) : 1 L of $$O_{2}$$ and 1 L of $$O_{3}$$ contains the same number of moles under identical conditions.

Reason (R) : Under identical conditions, 1 L of $$O_{2}$$ and 1 L of $$O_{3}$$ contain the same number of oxygen atoms.

A. If both A and R are correct and R is the correct explanation of A.

B. If both A and R are correct and R is not the correct explanation of A.

C. If A is correct R is wrong.

D. If both A and R are false.

102.

Assertion (A) : The standard unit for expressing atomic mass is amu.

Reason (R) : Now a days amu is represented by ‘u’.

A. If both A and R are correct and R is the correct explanation of A.

B. If both A and R are correct and R is not the correct explanation of A.

C. If A is correct R is wrong.

D. If both A and R are false.