Assertion (A): Equal moles of different substance contain same number of constituent particles. Reason (R): Equal weights of different substances contain same number of constituent particles.

Question

The correct answer is :

(a) Both (A) and (R) are true and (R) is the correct explantion of (A)

(b)  Both (A) and (R) are true but (R) is not the correct explantion of (A)

(c) (A) is true.but (R) is false.

(d) (A) is false but (R) is  true.