Question

We know that gas expands on heating. this indicates that
a)Number of molecules increased
b)the space between molecules have increased
c)molecules vibrate rapidly
d) both b and c

Answer 1

Answer:

d)both b and c

Explanation:

Molecules vibrate rapidly and the intermolecular space increases

Answer 2

Answer:

Option D

Explanation:

On heating it gives the molecules more energy and start to move more and molecules in gases take all available space and vibrate rapidly