Question
Define the following:
- Sol
- Aerosol
- Emulsion
- Foam
✓
Answer
-
Sol: Sol is a colloid in which tiny solid particles are dispersed in a liquid medium.
Examples are ink and soap solution.
-
Aerosol: Aerosol is a colloid in which a solid or liquid is dispersed in a gas.
Examples are hairspray and fog.
-
Emulsion: An emulsion is a colloid in which minute droplets of one liquid are dispersed in another liquid which is not miscible with it.
Examples are milk and butter.
-
Foam: A foam is a colloid in which a gas is dispersed in a liquid medium.
Examples are soap bubbles and shaving cream.
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