Physics Practice: Matter (Mock Test 5 - Comprehensive Mastery)
1. The physical state of matter is determined by the competition between:
2. Which of the following is true for the 'Plasma' state of matter?
3. Why do solids expand much less than gases when heated equally?
4. The process of 'Freezing' is also known as:
5. Which substance can exist in all three states of matter naturally on Earth?
6. What happens to the volume of water when it freezes into ice?
7. A pungent smell of leaking LPG gas is detected due to:
8. Matter is made of particles that are so small they cannot be seen even with a high-power microscope. This confirms matter is:
9. Which of the following has the highest Kinetic Energy of molecules?
10. The property of 'flow' (fluidity) is exhibited by:
11. On cooling a gas, the kinetic energy of its molecules ________, and they come closer.
12. Which law states that matter can neither be created nor destroyed?
13. Dry ice is stored under high pressure because:
14. The force of attraction between molecules of different substances is called:
15. Why does a solid not take the shape of the container?
16. Wet clothes dry faster on a windy day because:
17. Which observation proves that gas molecules move at very high speeds?
18. Inter-molecular forces are negligible in:
19. Melting and boiling are ________ processes.
20. What is the fundamental difference between evaporation and boiling?
