Distillation

Q.

Explain how immiscible liquids are separated using a separating funnel.

Q.

Which method is used to separate sugar and water from its solution?

1. Chromatography
2. Centrifugation
3. Distillation
4. Separating funnel

Q.

How can you separate kerosene and water?

Q.

State whether the following statements are true or false: A mixture of oil and water can be separated by filtration.

1. True
2. False

Q. What is the basic principle behind the simple distillation process?

1. Sufficient difference in the boiling points of two miscible liquids and the two liquids should boil without decomposition.
2. The two liquids should be immiscible.
3. The two liquids should have a molecular weight greater than $\text{200 g/mol.}$
4. Difference in boiling and melting points of two miscible liquids should be less than ${30}^{\circ }C$.

Q.

Which separation process is used to recover both solute and solvent from a solid-liquid solution?

1. Distillation

2. Sublimation

3. Evaporation

4. Separating funnel

Q.

How is nitric acid vapour collected?

1. Deposited over ice condenser

2. Collected in the water cooler

3. Collected by downward displacement of water

4. Collected by upward displacement of air

Q.

A ________ is used for the separation of immiscible liquids of different densities.

Q.

Separating funnel is used to separate a mixture of immiscible liquids.

1. True
2. False

Q.

Common salt is obtained from sea water by :

1. Evaporation

2. Sublimation

3. Filtration

4. Fractional distillation

Q.

What is meant by residue?

Q. Can the sea water be purified with the process of distillation?

Q.

Name the processes that you will use to separate solid-liquid mixtures?

Q.

The best method to separate the components of ink:

1. Evaporation

2. Vaporisation

3. Distillation

4. Sublimation

Q.

Name the process of separation of two immiscible liquids from their mixture

Q.

5. Describe an experiment for separation of kerosene oil from a mixture of kerosene oil and water.

Q. Assertion(A): A mixture of acetone and methanol can be separated by fractional distillation.
Reason(R): The difference between their boiling points is very less.

1. A is false but R is true.
2. Both A and R are true and R is the correct explanation of A.
3. A is true but R is false.
4. Both A and R are true but R is not the correct explanation of A.

Q.

You are given a mixture of iodine in alcohol called tincture of iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture, if the difference between the boiling points of iodine and alcohol is more than $25{}^{\circ }C$?

1. Fractional distillation

2. Centrifugation

3. Distillation

4. Evaporation

Q.

How are the different components obtained from crude oil?

Q.

How will you separate a mixture containing kerosene oil and water?

Q.

Is destructive distillation and pyrolysis the same?

Q.

A separating funnel is used to separate a mixture of water and mercury.

1. True
2. False

Q.

While using the separating funnel, the first liquid to be collected in a beaker will be ___________ ( water/oil)

Q. Which of the following technique is used to separate miscible liquids?

1. Distillation
2. Filtration
3. Separating funnel
4. Evaporation

Q.

We have three liquids A, B, and C. When liquids A and B are put together in a container, they form a single layer and the difference between the boiling point of A and B is more than $25{}^{\circ }C$. On the other hand, when, liquids B and C are mixed, they form two separate layers. Which of below-mentioned separation technique is used to separate the mixture of A and B, B and C?

1. Mixture A and B:- Fractional distillation

   Mixture B and C:- Separating funnel

2. Mixture A and B:- Separating funnel

   Mixture B and C:- Centrifugation

3. Mixture A and B:- Distillation

   Mixture B and C:- Separating funnel

4. Mixture A and B:- Centrifugation

   Mixture B and C:- Separating funnel

Q.

Oil and water can be separated by using a separating funnel. What differences in their properties make this possible?

Q.

Describe the method of separation of constituents of a mixture of kerosene oil and water.

Q.

Which one of the following methods is used to separate acetone from water?

1. Centrigugation

2. Crystallization

3. Evapoartion

4. Sedimentation

Q.

Which method is best suited for the separation of a mixture of acetone and water?

1. Vaporization

2. Heating

3. Evaporation

4. Distillation

Q.

Which among the following methods is most suitable for the separation of two miscible liquids?

1. Distillation

2. Centrifugation

3. Sublimation

4. Filtration