Physics Practice: Matter (Mock Test 5 - Comprehensive Mastery)
1. The Kinetic Theory of Matter states that all matter is made of particles that are:
2. Identify the process: A solid substance $X$ changes directly into gas without becoming a liquid.
3. Why does a liquid take the shape of the container but maintain a fixed volume?
4. On increasing the temperature of a substance, its intermolecular space usually:
5. "Latent Heat of Fusion" is the heat energy required to change:
6. Which of the following is an example of an "Adhesive Force"?
7. The zig-zag random motion of suspended particles in a fluid is called:
8. Which state of matter exerts pressure only in the downward direction (due to weight)?
9. During evaporation, which molecules escape the liquid surface?
10. What happens to the boiling point of a liquid when the external pressure is increased (like in a pressure cooker)?
11. Why is a gas highly compressible compared to a solid?
12. The change of state from Gas to Liquid is known as:
13. In which state do particles only vibrate about their mean positions?
14. Which factor decreases the rate of evaporation?
15. What is the effect of cooling on the kinetic energy of molecules?
16. Which substance undergoes sublimation?
17. Diffusion is the fastest in:
18. The intermolecular force of attraction is minimum in:
19. Boiling is a ________ phenomenon, whereas evaporation is a ________ phenomenon.
20. If we increase the temperature of a gas in a closed vessel, the pressure:
