Properties of Matter – Online MCQs Test – Physics 9th

1. Which state of matter has low density?

2. Boiling and melting points of gases are:

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

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

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

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

7. The molecules of which state of matter have extremely lowest energies?

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

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

10. It can change the state of matter.

11. A solid can ______________

12. If we compress a gas, its pressure:

13. Conversion of matter between three states involves:

14. During which process a gas becomes a liquid____________

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

16. A group of atoms is called:

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

18. Which state of matter has the highest densities?

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

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