Basic Classification of matter - MCQ

1. Which technique is used to separate the substances from a mixture?

A. Chromatography

B. Racing Forging

C. Assembling

D. None of the above

Ans. A

2. In what way iodine can be separated from a mixture of potassium chloride and iodine?

A. Filtration

B. Sedimentation

C. Distillation

D. Sublimation

Ans. D

3. What is Boron?

A. Non metal

B. metal

C. Compound

D. Metalloid

Ans. D

4. Which of the following statements are correct about metals?

(a) Metals are lustrous.

(b) These are good conductors of heat and electricity.

(c) They can be converted into wire.

(d) They are malleable.

Choose the correct option:

A. Both (a) and (d)

B. Both (a) and (c)

C. Both (c) and (d)

D. All (a). (b), (c) and (d)

Ans. D

5. A mixture of salt and sugar is known as

A. Homogeneous mixture

B. Heterogeneous mixture

C. Mixture of Components

D. None of the above

Ans. B 

6. By which process can sea water be purified?

A. Evaporation

B. Fractional Distillation

C. Filtration

D. Distillation

Ans. D

7. Which technology is used to squeeze water from the soaked clothes in the washing machine?

A. Evaporation

B. Decantation

C. Centrifugation

D. Sedimentation

Ans. C

8. Due to which process dry raisins when kept in water swell up?

A. Osmosis

B. Sedimentation

C. Distillation

D. Decantation

Ans. A

9. Which of the following is a mixture?

A. Distilled water

B. Gasoline

C. Both A and B

D. Neither A nor B

Ans. B

10. Boyle's law relates to which state of matter?

A. Solid state

B. Liquid stage

C. Gaseous state

D. None of the above

Ans. C