Use of Separating Funnel

Q.

A mixture of oil and water is called _________.

1. homogeneous

2. heterogeneous

3. emulsion

4. colloid

Q. A separating funnel can be used to separate a mixture of:

1. Sugar and water
2. Water and kerosene
3. Salt and water
4. Kerosene and petrol

Q.

State if following statement are true or false. Correct the false statement.

Separating funnel is used for separation of components of mixture between two immiscible liquids.

1. True
2. False

Q.

If the mixture of oil and water is allowed to settle for a while. What will be our final observation?

1. Forms an emulsion

2. Forms a solution

3. Forms a colloid

4. Forms different layers

Q. Which of the following methods is used to separate a mixture of cooking oil and water?

1. Separating funnel
2. Filtration
3. Centrifugation
4. Fractional distillation

Q.

How are the following mixture separated?

Oil and water

Q. Liquids that do not mix and can be separated by a separating funnel are called ____ liquids.

1. miscible
2. immiscible
3. distillate
4. residue

Q. A mixture of kerosene and water can be separated using a separating funnel.

1. False
2. True

Q. _______ is used to separate a mixture of two immiscible liquids.

1. Filtration

2. Sublimation

3. Centrifugation

4. Separating funnel

Q. _______ is used to separate a mixture of two immiscible liquids.

1. Filtration
2. Handpicking
3. Centrifugation
4. Separating funnel

Q.

A mixture of milk and groundnut oil can be separated by ___.

1. Sublimation

2. Separating funnel

3. Centrifugation

4. Fractional distillation

Q.

Which of the following can be used to separate a mixture of kerosene and water?

1. Separating funnel
2. Distillation
3. Fractional distillation
4. Centrifugation

Q. Choose the appropriate option regarding the separation of a mixture of kerosene and water.

1. Top layer - Kerosene
   Bottom layer - Water
2. Top layer - Water
   Bottom layer - Kerosene
3. Top layer - Kerosene
   Middle layer - Water
   Bottom layer - Kerosene
4. Top layer - Water
   Middle layer - Kerosene
   Bottom layer - Water

Q.

Which substances are incorrectly placed in the following table?
$\begin{array}{cccc}& Liquid-Liquidmixtures& Lighterliquid& Heavierliquid\\ \left(a\right)& Oliveoilandwater& Oliveoil& Water\\ \left(b\right)& BenzeneandCarbon-tetrachloride& Benzene& Carbon-tetrachloride\\ \left(c\right)& WaterandKeroseneOil& Water& KeroseneOil\\ \left(d\right)& Alcoholandwater& Alcohol& Water\end{array}$

1. Liquid - Liquid mixtures: Olive oil and water
   Lighter liquid: Olive oil
   Heavier liquid: Water

2. Liquid - Liquid mixtures: Benzene and Carbon tetrachloride
   Lighter liquid: Benzene
   Heavier liquid: Carbon - tetrachloride

3. Liquid - Liquid mixtures: Alcohol and water
   Lighter liquid: Alcohol
   Heavier liquid: Water

4. Liquid - Liquid mixtures: Kerosene oil and water
   Lighter liquid: Water
   Heavier liquid: Kerosene oil