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Class 9 Science Chapter 1 Matter In Our Surroundings Quiz 6 (24 MCQs)

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1. Which of the following processes involves a change from liquid to gas?
2. What is the process of a solid changing directly into gas called?
3. Which of the following factors where evaporation does not depend?
4. Which one of the following is an example of a fluid?
5. The state of particles which consists of super energetic particles in the form of ionized gas is called
6. In which of the following conditions, the distance between the molecules of hydrogen gas would increase?(i) Increasing pressure on hydrogen contained in a closed container(ii) Some hydrogen gas leaking out of the container(iii) Increasing the volume of the container of hydrogen gas(iv) Adding more hydrogen gas to the container without increasing the volume of the container
7. According to modern science do everything in-universe is just made up of matter?
8. The melting point of a solid indicate its?
9. Which of the following will have more energy at 0 $^{0}$ C?
10. Which of the following conditions will increase the rate of evaporation?
11. What will be the impact on the density of matter if we heat or decreases the pressure of the matter?
12. Convert 100 degree Celsius to kelvin scale
13. When heat is constantly supplied by a burner to boiling water, then the temperature of water during vapourisation
14. Which of the following substances does not show phenomenon of sublimation?
15. Conversion of dry ice into vapour directly
16. Which of the following describes the liquid phase?
17. Which one of the following sets of phenomena would increase on raising the temperature?
18. Fixed shape, fixed volume, negligible compressibility.Which state of matter is this
19. Do you think the particles of matter are continuously moving?
20. Which is an example of bulk phenomenon?
21. More the humidity in air
22. Select a non metal from the following.
23. The change of solid state to gaseous state without changing to liquid state is known as?
24. We wear cotton clothes in summer because
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