Properties of Matter – Online MCQs Test – Physics 9th

1. According to kinetic molecular theory, the pressure exerted by a gas is caused by the _______

2. If a gas is heated in a sealed cylinder, then______________ increases

3. A solid can ______________

4. Drying of wet clothes and drying of wet floor are the examples of:

5. A gas in a container of fixed volume is heated. What happens to the molecules of the gas?

6. It is the only metal that is not solid at room temperature.

7. Conversion of matter between three states involves:

8. If Liquid state of matter has:

9. In which state of matter, particles are very far apart?

10. In a liquid, some energetic molecules break free from the surface even when the liquid is too cold for bubbles to form. What is the name of this process?

11. What happens to the molecules of a gas when the gas changes into a liquid?

12. Evaporation is process by which a liquid becomes a gas at temperature:

13. During which process a gas becomes a liquid____________

14. Matter is made up of tiny particles called:

15. If we decrease the pressure of a gas, the volume of the will be:

16. It can change the state of matter.

17. Boyle’s Law can be represented as:

18. An object with particles close together and vibrating describes a ______________

19. Which states of matter are incompressible?

20. In which state of matter, molecules are found in clusters?