WBBSE For Class 9 Physical Science And Environment Separation Of Components Of Mixture MCQS

by

Separation Of Components Of Mixture MCQs

Question 1. A solution of sugar in water is

  1. A homogeneous mixture
  2. A heterogeneous mixture
  3. Separated by separating funnel
  4. None of these

Answer: (1) A homogeneous mixture

Question 2. Bronze is an example of

  1. Solid in a solid homogeneous mixture
  2. Solid is a solid heterogeneous mixture
  3. A solid is a liquid homogeneous mixture
  4. Solid in a liquid heterogeneous mixture

Answer: (1) Solid in solid homogeneous mixture

Read And Learn More WBBSE Solutions For Class 9 Physical Science And Environment MCQS

Question 3. Which one is a solid in liquid homogeneous mixture?

  1. Gunpowder
  2. Water in sponge
  3. Iodine in alcohol
  4. Oil in water

Answer: (3) iodine in alcohol

Question 4. A mixture of common salt (NaCl) and \(\mathrm{NH}_4 \mathrm{Cl}\) (s) can be separated by

  1. Magnetic separation
  2. Mechanical picking
  3. Sublimation
  4. Filtration

Answer: (3) Sublimation

WBBSE For Class 9 Physical Science And Environment Separation Of Components Of Mixture MCQS

WBBSE Class 9 separation of mixtures MCQs with answers

Question 5. Sedimentation and decantation is a method of separation suitable for

  1. Solid in a solid homogeneous mixture
  2. Liquid in liquid homogeneous mixture
  3. Solid in a liquid heterogeneous mixture
  4. Solid in a solid heterogeneous mixture

Answer: (3) Solid in a liquid heterogeneous mixture

Question 6. Fractional distillation is used for the separation of which type of mixture?

  1. Solid in liquid mixture
  2. Liquid in solid
  3. Liquid-liquid immiscible
  4. Liquid-liquid miscible

Answer: (4) Liquid-liquid miscible

Separation of components of mixture multiple choice questions for WBBSE Class 9

Question 7. The use of a separatory funnel

  1. Depends on the volume ratio of two liquids
  2. Depends on the density difference between two liquids
  3. Depends on difference in boiling points of the liquids
  4. Depends on the color of the liquids

Answer: (2) Depends on the density difference between two liquids

Question 8. The use of fractional distillation depends on

  1. Volume ratio of liquids
  2. Density ratio of liquids
  3. Difference in boiling points of the liquids
  4. Color of the liquids

Answer: (3) Difference in boiling points of the liquids

Important separation techniques questions for Class 9 Physical Science

Question 9. Which one is not a product of fractional distillation of crude petroleum?

  1. Petrol
  2. Diesel
  3. Ethanol
  4. Kerosene

Answer: (3) Ethanol

Question 10. Water boils at 100°C under a pressure of

  1. 760 cm of Hg
  2. 76 cm of Hg
  3. 7.6 mm of Hg
  4. 7.6 cm of Hg

Answer: (2) 76 cm of Hg

WBBSE Class 9 Physical Science MCQs on methods of separation

Question 11. The method to separate sugar from its aqueous solution ignoring the collection of water is S

  1. Evaporation
  2. Distillation
  3. Sedimentation
  4. Centrifugation

Answer: (1) Evaporation

Question 12. lodine and ethanol are separated from their mixture by

  1. Filtration
  2. Evaporation
  3. Distillation
  4. Fractional distillation

Answer: (3) Distillation

Solved MCQs on separation techniques for WBBSE Class 9

Question 13. A mixture of carbon tetrachloride and water is separated by using

  1. Funnel
  2. Separating funnel
  3. Beaker
  4. Fractionating column

Answer: (2) Separating funnel

Question 14. The boiling point of a liquid

  1. Decreases with increase in pressure
  2. The boiling point does not affect the pressure
  3. Increases with increase in pressure
  4. Does not always increase with the increase in pressure

Answer: (3) Increases with increase in pressure

Filtration and distillation MCQs Class 9 WBBSE

Question 15. The components of crude oil are separated by

  1. Fractional distillation
  2. Distillation
  3. Separating funnel
  4. None of these

Answer: (1) Fractional distillation

Question 16. Alcohol and water mixture can be separated by

  1. Distillation
  2. Filtration
  3. Fractional distillation
  4. None of the above

Answer: (1) Distillation

WBBSE Class 9 Physical Science chromatography and centrifugation MCQs

Question 17. Carbon disulfide and water mixture can be separated by 

  1. Filtration
  2. Decantation
  3. Separating funnel
  4. None of the above

Answer: (3) Separating funnel

Leave a Comment