Question

14. The time taken for effusion of 32 ml of oxygen will be
the same as the time taken for effusion under identical
conditions of
(a) 64 ml of H2
(b) 50 ml of NZ​

Answer 1

Answer:

Answer. =45.25 mL. Hence, the correct option is B

Answer 2

Answer:

दुख जीवन को निखरता है ' इस विषय पर एक लघुकथा लिखिए।