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  • Matter in Our Surroundings
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Effect of Heat and Pressure on Matter, Class 9 Science

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. Particles of matter are continuously moving. What is the effect of rise in temperature on moving particles?
 
 
 
 

Question 1 of 20

2. Latent heat of fusion is the amount of heat energy required to change:
 
 
 
 

Question 2 of 20

3. The hardness of solids is due to the fact that their particles:
 
 
 
 

Question 3 of 20

4. Which of the following are the required conditions for the liquefaction of gases?
 
 
 
 

Question 4 of 20

5. Why do naphthalene balls disappear with time without leaving any solid behind?
 
 
 
 

Question 5 of 20

6. In which state does water exist at 50° C?
 
 
 
 

Question 6 of 20

7. Identify A in the given conversion.
download (1)
 
 
 
 

Question 7 of 20

8. Which property of a gas helps to fill a large volume of liquefied petroleum gas (LPG) in cylinders?
 
 
 
 

Question 8 of 20

9. What affects the change of state the most?
 
 
 
 

Question 9 of 20

10. The boiling point of alcohol in Kelvin scale is 351K. What will be its boiling point in Celsius scale?
 
 
 
 

Question 10 of 20

11. What happens when a liquid becomes a gas?
 
 
 
 

Question 11 of 20

12. Which of the following substances sublime at room temperature?
 
 
 
 

Question 12 of 20

13. What will be the state of a substance below its freezing point?
 
 
 
 

Question 13 of 20

14. How does the state of matter change during fusion process?
 
 
 
 

Question 14 of 20

15. What happens when ice is heated?
 
 
 
 

Question 15 of 20

16. The temperature at which a liquid changes into its gaseous form is called _________.
 
 
 
 

Question 16 of 20

17. When water solidifies to ice, then heat is _______.
 
 
 
 

Question 17 of 20

18. Which of the following pictures represents the arrangement of particles in liquids?
download (2)
 
 
 
 

Question 18 of 20

19. The boiling point of water and melting point of ice are _______ and _______ respectively.
 
 
 
 

Question 19 of 20

20. What will happen to a gas when it is compressed in a cylinder with the help of a piston?
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Question 20 of 20

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