The pressure exerted on the walls of?the container by a gas is due to the fact that the gas molecules
1). Lose their kinetic enrgy
2). Stick to the walls?
3). Are accelerated towards the walls
4). Change their momenta due to collision with the walls
2. The pressure exerted by a 760 mm column of mercury at 0°C is known as
3. Why does the sea appear blue in colour?
4. Air is said to be saturated when
5. The plastic material commonly used for making gear wheels is
8. Sound travels at the fastest speed in