Properties of Matter – Online MCQs Test – Physics 9th

1. Conversion of matter between three states involves:

2. The term ‘Boiling’ means:

3. Boiling and melting points of gases are:

4. It can change the state of matter.

5. 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?

6. Boyle’s Law can be represented as:

7. A gas molecule moves in a straight line. It changes its direction only when

8. Which state of matter has low density?

9. If a gas is compressed to half of its original volume, its pressure will be:

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

11. It has lowest boiling and melting points as compared to other substances.

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

13. The molecules of the following state of matter are usually arranged in a regular pattern called lattice:

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

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

16. It is determined by the average translational kinetic energy of molecules of a gas.

17. During which process a gas becomes a liquid____________

18. If we compress a gas, its pressure:

19. Matter is made up of tiny particles called:

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