Subject :NSO Class : Class 8
When some liquid evaporates, the average speed of the molecules remaining will ____.
(A) Increase because the more energetic molecules have left
(B) Decrease because the more energetic molecules have left
(C) Remain unchanged because all molecules have about the same speed
(D) Increase because there are fewer molecules
Ans 1:
Class : Class 8
Ans 2:
Class : Class 8