Question : An emulsion is a colloid of a
Option 1: Gas in a liquid
Option 2: liquid in a liquid
Option 3: liquid in a gas
Option 4: Gas in a solid
Correct Answer: liquid in a liquid
Solution : The correct option is liquid in a liquid.
An emulsion is a colloid composed of one liquid dispersed in liquid. It is a form of colloidal dispersion in which the dispersed phase as well as the dispersion medium are both liquids. Emulsions are classified into two types: oil-in-water emulsions and water-in-oil emulsions. The oil is the dispersed phase and the water is the dispersion medium in an oil-in-water emulsion. The dispersed phase in a water-in-oil emulsion is water, and the dispersion medium is oil.
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