Separation of mixture of two immiscible liquids

Q.

What type of emulsion is margarine?

Q.

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

1. Forms different layers

2. Forms an emulsion

3. Forms a solution

4. Forms a colloid

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

Q. Which among the following methods is most suitable to separate a mixture of two immiscible liquids?

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

Q. Kerosene and water can be separated due to the difference in ________.

1. weights
2. masses
3. volumes
4. densities