Matter Chapter – Previous Year MCQs (RRB & NTSE Level

 

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Matter Chapter – Previous Year MCQs (RRB & NTSE Level)

1. Matter is anything that
   A. Has weight only
   B. Occupies space only
   C. Has mass and occupies space
   D. Can be seen only
   Answer: C

2. The smallest particle of an element that retains its chemical properties is called
   A. Atom
   B. Molecule
   C. Ion
   D. Proton
   Answer: A

3. Which of the following is a pure substance?
   A. Air
   B. Salt (NaCl)
   C. Sea water
   D. Soil
   Answer: B

4. Which state of matter has definite volume but no definite shape?
   A. Solid
   B. Liquid
   C. Gas
   D. Plasma
   Answer: B

5. In which state of matter the particles are closely packed and vibrate about fixed positions?
   A. Solid
   B. Liquid
   C. Gas
   D. Plasma
   Answer: A

6. Matter that can be separated into simpler substances by chemical means is called
   A. Element
   B. Compound
   C. Mixture
   D. Alloy
   Answer: B

7. Which of the following is a homogeneous mixture?
   A. Sand and water
   B. Sugar in water
   C. Oil and water
   D. Soil
   Answer: B

8. Sublimation is the process in which
   A. Solid → Liquid
   B. Liquid → Gas
   C. Solid → Gas
   D. Gas → Solid
   Answer: C

9. Deposition is the process in which
   A. Gas → Solid
   B. Liquid → Solid
   C. Solid → Gas
   D. Gas → Liquid
   Answer: A

10. The property of matter that resists change in shape or motion is called
    A. Density
    B. Viscosity
    C. Inertia
    D. Elasticity
    Answer: C

11. Plasma is a state of matter in which
    A. Particles are closely packed
    B. Particles move freely and are ionized
    C. Particles have fixed shape and volume
    D. Particles form a crystal lattice
    Answer: B

12. Which of the following is a mixture of gases?
    A. Steel
    B. Air
    C. Water
    D. Salt
    Answer: B

13. The phase change from liquid to gas at a temperature below boiling point is called
    A. Boiling
    B. Evaporation
    C. Condensation
    D. Freezing
    Answer: B

14. Which of the following has neither definite shape nor definite volume?
    A. Solid
    B. Liquid
    C. Gas
    D. Ice
    Answer: C

15. The type of mixture where components are not uniformly distributed is called
    A. Homogeneous
    B. Heterogeneous
    C. Solution
    D. Colloid
    Answer: B

16. Matter that has a definite volume and shape is called
    A. Gas
    B. Liquid
    C. Solid
    D. Plasma
    Answer: C

17. Brownian motion provides evidence for
    A. Solubility of substances
    B. Kinetic theory of matter
    C. Change of state
    D. Sublimation
    Answer: B

18. The kinetic theory of matter states that
    A. Particles are stationary
    B. Particles are in constant random motion
    C. Particles occupy no space
    D. Particles cannot exert force
    Answer: B

19. The change of gas directly into solid without becoming liquid is called
    A. Sublimation
    B. Deposition
    C. Freezing
    D. Evaporation
    Answer: B

20. Which of the following is an example of a heterogeneous mixture?
    A. Sugar solution
    B. Salt solution
    C. Sand in water
    D. Vinegar
    Answer: C