Physics Practice: Matter (Mock Test 3 - Advanced)
1. Why do solids have a definite shape and volume according to molecular theory?
2. When heat is supplied to a solid at its melting point, the temperature does not rise because:
3. How does the kinetic energy of gas molecules change when the temperature of the gas is increased?
4. Which mechanism explains why the smell of hot food reaches us faster than cold food?
5. Why is steam at 100°C more dangerous than boiling water at 100°C?
6. The process of "Deposition" is the direct change of:
7. Why do liquids exert pressure on the walls of the container?
8. What happens to the boiling point of water when salt is added to it?
9. Evaporation is a surface phenomenon because:
10. On a humid day, the rate of evaporation decreases because:
11. According to the molecular model, why are gases highly compressible?
12. Why does a gas fill the entire space of a closed vessel?
13. Which of the following describes the Kinetic Theory's view on "Absolute Zero"?
14. Why is cooling always caused by the process of evaporation?
15. What determines the "State" of matter at a particular temperature?
16. Why does a naphthalene ball disappear over time without leaving any residue?
17. Which property explains why a drop of ink spreads in a glass of water?
18. Intermolecular force of attraction is inversely proportional to:
19. If you compress a gas into a smaller volume, the pressure increases because:
20. Which of the following represents the correct sequence of increasing molecular motion?
