Question

what is the difference between gas and a vapour (Class 9)

Answer 1

Answer:

Gas is a state of matter which is always gaseous at room temperature

Vapour is not gaseous at room temperature. It is liquid at room temperature. When you heat it then it become vapour.

Explanation:

Example:- Carbon dioxide is a gas at room temperature but water is liquid at room temperature when you heat the water above room temperature then it becomes vapour.

Hope it helps you !!

Answer 2

Answer:

the two substances are very much different.

gas-

1.it is a state of matter.

2.it has experienced phase change.

3.it has low density.

4.it remains as gas only in room temperature.

5. its molecules are separated.

vapor-

1.it is a state of water between gas and liquid.

2.it has about to experience phase change.

3.it is the result of boiling and evaporation

4.it is measured by pressure of gas.

5.at room temperature. vapor can be solid or liquid.

Explanation: