Question

Define and example of :-
1)Sol

2)Foam

3)Aerosol

4)Emulsion

5)Gel

Answer 1

Sol is a type of colloid in which solid particles are suspended in a liquid.
Ex- gel, starch in water etc.
A mass of bubble formed on or in liquid, typically by agitation or fermentation.
Ex- a bath sponge, glass of bear etc.
A substance enclosed under pressure and released as a dine spray by means of a propellant gas.
Ex- fog whipped cream etc.
A fine dispersion of minute droplets of one liquid in another in which it is not soluble or miscible.
Ex- oil and water, egg yolk etc.
A semi rigid slab or cylinder of an organic polymer used as a medium for the separation of macromolecules.

Answer 2

1) Sol

It is a type of colloid in which solid is the dispersed phase and liquid is the dispersed medium. Examples include milk of magnesia, mud, etc.

2) Foam

Foam is a type of colloid in which gas is the dispersed phase and solid is the dispersed medium. Examples include foam, rubber sponge, etc.

3) Aerosol

An aerosol is a type of colloid in which liquid is the dispersed phase and gas is the dispersion medium. Examples include fog, clouds, mist, etc.

4) Emulsion

In emulsion, both the dispersed phase and dispersed medium are liquids. Examples include milk, face cream, etc.