Time Left:
600
sec
1. Everything around us that has mass and occupies space is called
A. Air
B. Matter
C. Energy
D. Liquid
2. Early Indian philosophers classified matter into how many elements?
A. Four
B. Six
C. Five
D. Three
3. Which of the following is not considered matter?
A. Air
B. Chair
C. Love
D. Water
4. The SI unit of mass is
A. Gram
B. Kilogram
C. Quintal
D. Milligram
5. The SI unit of volume is
A. Cubic metre
B. Litre
C. Cubic centimetre
D. Gallon
6. Matter is made up of
A. Continuous substance
B. Energy waves
C. Particles
D. Empty space
7. The process of mixing of two different types of matter on their own is called
A. Evaporation
B. Fusion
C. Diffusion
D. Sublimation
8. The rate of diffusion increases with
A. Decrease in temperature
B. Increase in temperature
C. Constant temperature
D. Pressure
9. The force that keeps particles of matter together is called
A. Frictional force
B. Magnetic force
C. Force of attraction
D. Cohesive force
10. Which state of matter has a definite shape and volume?
A. Solid
B. Liquid
C. Gas
D. Plasma
11. The ability of matter to be pressed is called
A. Rigidity
B. Compressibility
C. Elasticity
D. Fluidity
12. Liquids have
A. Fixed shape and volume
B. Fixed volume but no fixed shape
C. No fixed shape or volume
D. Fixed shape but no volume
13. Gases have
A. Fixed volume
B. Fixed shape
C. Neither fixed shape nor fixed volume
D. Definite shape
14. The process of solid changing directly to gas is called
A. Condensation
B. Sublimation
C. Fusion
D. Evaporation
15. Dry ice is the solid form of
A. Nitrogen
B. Oxygen
C. Carbon dioxide
D. Hydrogen
16. The process of conversion of gas directly to solid is called
A. Deposition
B. Fusion
C. Evaporation
D. Melting
17. The melting point of ice is
A. 0°C
B. 100°C
C. 273 K
D. Both A and C
18. The boiling point of water is
A. 373 K
B. 273 K
C. 100 K
D. 273°C
19. The latent heat of fusion is
A. Heat required to melt 1 kg of solid
B. Heat required to evaporate 1 kg of liquid
C. Heat released during condensation
D. None of these
20. The latent heat of vaporisation is
A. Energy to change gas to solid
B. Energy to change 1 kg of liquid to gas
C. Energy to melt ice
D. Energy for condensation
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