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Methods of Separation

Description: Methods of Separation
Number of Questions: 10
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Tags: Methods of Separation Solution, Mixture and Separation Methods Statistics
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The particles of suspension_________?

  1. can be seen with naked eye.

  2. cannot be seen with naked eye.

  3. cannot be seen through a microscope.

  4. can be seen through a microscope.


Correct Option: A
Explanation:

The particles of suspension can be seen with naked eyes.

Mixture has__________?

  1. fixed composition

  2. no fixed composition

  3. fixed elements

  4. both (1) and (3)


Correct Option: B
Explanation:

Mixture has no fixed composition.

Which technique should be used to separate dye from ink?

  1. Centrifugation

  2. Chromatography

  3. Filtration

  4. Crystallization


Correct Option: B
Explanation:

Chromatogrphy can be used to separate dye from ink.

The technique used to separate two immiscible liquids is___________.

  1. separating funnel

  2. distillation

  3. fractional distillation

  4. decantation


Correct Option: A
Explanation:

Separating funnel is used to separate two immicible  liquids.

Which of the following techniques can be used to separate ammonium chloride from a mixture of sand and salt?

  1. Sublimation

  2. Crystallization

  3. Evaporation

  4. Condensation


Correct Option: A
Explanation:

Sublimation

Which of the following can be used to separate drugs from blood?

  1. Chromatography

  2. Sedimentation

  3. Sublimation

  4. Evaporation


Correct Option: A
Explanation:

Chromatography is used to separate drugs from blood.

_______ is the best technique to obtain sugar solutes from its solution.

  1. Crystallization

  2. Evaporation

  3. Filtration

  4. Centrifugation


Correct Option: A
Explanation:

Crystallisation

Which of the following is a characteristic of both mixtures and compounds?

  1. Their properties are same as those of their compounds.

  2. Energy is absorbed when they are formed.

  3. Their masses is equal to the sum of the masses of their components.

  4. They contain the components in fixed proportion.


Correct Option: C
Explanation:

Their masses is equal to the sum of the masses of their components.

Which of the following solution is transparent?

  1. True solution

  2. Suspension

  3. Colloidal solution

  4. Heterogeneous solution


Correct Option: A
Explanation:

True solution is transparent.

When milk is churned, cream gets separated from it due to___________?

  1. frictional force

  2. cohesive force

  3. gravitational force

  4. centrifugal force


Correct Option: D
Explanation:

Centrifugal force

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