Fractional Distillation

Q.

How will you separate a mixture containing kerosene and petrol which are miscible with each other?

1. Sublimation

2. Separating funnel

3. Evaporation

4. Distillation

Q.

How will you separate two miscible liquids?

Q.

How to separate alcohol and water?

Q.

The process of fractional distillation is used to separate mixtures of miscible liquids.

1. True
2. False

Q.

What is the method used to separate a mixture of insoluble solids. Based on differences in density?

1. Separation by floatation

2. Fractionation

3. Fractional distillation

4. Decantation

Q.

A mixture of miscible liquids can be separated through fractional distillation.

1. True

2. False

Q.

Distillate is a liquid that:

1. Condenses after distillation

2. A substance that will not dissolve

3. Does not sink due to very fine particles

4. Mixes together

Q. Which among the following method is used to obtain petrol, kerosene and diesel from crude oil?

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

Q.

Which one of the following mixtures can be completely separated into pure components by fractional distillation?

1. Benzene-toluene

2. Water-ethyl alcohol

3. Water-hydrochloric acid.

4. Water-nitric acid

Q. Which method is suitable to seperate different components in air?

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

Q.

During distillation, the pure liquid collected is called

1. sublimate

2. distillate

3. filtrate

4. none of these

Q.

Fractional distillation of ethyl alcohol-water mixture gives a mixture of 95.6% ethyl alcohol and 4.4% water. Further separation can be brought about either by the addition of a water-soluble salt such as potassium acetate. Justify the formation of pure ethyl alcohol in both cases.

Q.

What is the procedure to obtain different gases from air?

Q.

Name the operation (shown in the figure) involved during the purification of water which is used for preparing solutions for medicinal purposes.

1. Sterilization

2. Sedimentation

3. Filtration

4. Distillation

Q.

Name the appropriate methods for the separation of the following:

(a) Nitrogen from air

(b) Blue ink from dye

(c) Ammonium chloride from salt

Q.

A mixture of petrol and kerosene can be separated by ______________

Q.

is a process where a mixture made of two or more liquids with different boiling points can be separated from each other.

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> How will you separate a mixture containing kerosene and petrol, which are miscible with each other?

Q.

How are miscible liquids separated?

Q.

is a process where a mixture made of two or more liquids with different boiling points can be separated from each other.

Q. Assertion (A): Components of rectified spirit
cannot be separated by distillation
Reason (R): Rectified spirit is an Azeotropic
mixture

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

Q.

The separation of a mixture of miscible liquids by distillation is called ___________.