Question

Emulsion is a colloidal solution of liquid in :

• A. Solid
• B. Liquid
• C. Gas
• D. Air

Answer 1

The correct option is B

Liquid

Explanation for the correct options: (B):

1. The dispersed phase refers to a substance that is spread as particles.
2. The dispersion media refers to the continuous phase in which colloidal particles are disseminated.
3. The emulsion is a type of colloidal solution in which the dispersed phase is liquid and the dispersion medium is also liquid. An example is Face cream.

Explanation for the incorrect options:

(A) Solid:

1. When the dispersed phase is liquid and the dispersed medium is solid is called gel.
2. Example: Cheese.

(C) Gas:

1. When the dispersed phase is liquid and the dispersed medium is gas is called liquid aerosol.
2. Example: Mist.

(D) Air:

• Air is not a colloidal solution, it is a homogenous mixture of gases.

Hence, option (B) Liquid is the correct answer.