Properties of Matter – Online MCQs Test – Physics 9th

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

2. Conversion of matter between three states involves:

3. States of matter are:

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

5. It can change the state of matter.

6. According to the Kinetic molecular model, if the molecules have large kinetic energy then:

7. Which state of matter has low density?

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

9. The term ‘Boiling’ means:

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

11. Boyle’s Law can be represented as:

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

13. A group of atoms is called:

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

15. It is responsible for the different states of matter as well as for the physical properties.

16. If Liquid state of matter has:

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

18. If we compress a gas, its pressure:

19. 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?

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