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Class 9 Science Chapter 1 Matter In Our Surroundings Quiz 1 (25 MCQs)

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1. Arrange the following substances in their increasing order of the forces of attraction.NaCl, Air, Water, Honey, Iron.
2. 2 factors on the basis of which we can change the state of matter are-
3. Kinetic energy of molecules is directly proportional to
4. When water at 0$^\circ$C freezes to form ice at the same temperature of 0$^\circ$C, then it
5. In which form, do the water molecules have less kineticenergy?
6. Intermolecular forces are minimum in
7. Assertion(A)-Liquids diffuse less easily as compared to gasesReason(R)-Intermolecular forces are greater in gases.
8. Seema took a 100 ml beaker and filled half the beaker with water and marked the level of water. She dissolved some salt with the help of a glass rod and recorded water level again.
9. Which of following doesn't affect rate of evaporation
10. At higher altitudes
11. ..... is the heat energy required to change 1Kg of a liquid to gas at atmospheric pressure at it's boiling point
12. As the temperature rises, particles of matter move
13. Volume of gas at particular temperature and at atmospheric pressure is 200ml. If the temperature remains constant and pressure increases up to 5 atm. What is the volume of gas will be
14. Which of the following statement is not true regarding the characteristic of matter?
15. In which state of matter are the particles arranged in the most ordered manner?
16. The state of matter which is found to be more stable at lower temperature:
17. What is the term for the temperature at which a liquid turns into a solid?
18. Bec full form
19. When 2-3 crystals of potassium permanganate are dissolved in water, the colour of water will be
20. Which of the following has highest kinetic energy?
21. Which of the following phenomena always results in the cooling effect?
22. The amount of water vapour present in the air is called
23. Which of the following is correct order of forces of attraction?
24. What is the chemical formula of Potassium Permanganate?
25. Select the one that when used would be considered as best condition for liquification of a gas:
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