Properties of Matter – Online MCQs Test – Physics 9th

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

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

3. If we compress a gas, its pressure:

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

5. Conversion of matter between three states involves:

6. The term ‘Boiling’ means:

7. Matter is made up of tiny particles called:

8. Which state of matter has the highest densities?

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

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

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

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

14. It can change the state of matter.

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

16. If Liquid state of matter has:

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

18. Boyle’s Law can be represented as:

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

20. States of matter are: