Properties of Matter – Online MCQs Test – Physics 9th

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

2. Boiling and melting points of gases are:

3. Which state of matter has the highest densities?

4. A burning candle is an example of ________________ state of matter.

5. States of matter are:

6. In 1827, the evidence of molecular motion first discovered by:

7. Which states of matter are incompressible?

8. Which state of matter has low density?

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

10. Boyle’s Law can be represented as:

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

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

13. Matter is made up of tiny particles called:

14. It can change the state of matter.

15. The term ‘Boiling’ means:

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

17. 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?

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

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

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