Match the following Type of Colloid Example A Gel 1 Paint B Emulsion 2 Butter C Sol 3 Fog D Aerosol ...........

Everyday Science (PCS) Chemistry

Match the following :

Type of Colloid	Example
A. Gel	1) Paint
B. Emulsion	2) Butter
C. Sol	3) Fog
D. Aerosol	4) Milk

Choose the correct code :

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PCS Previous year General Studies paper (2013)

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Explanation:

Butter-gel
The gel is the colloid in which the dispersion phase is liquid and the dispersion medium is solid. Butter is an example of a gel.

Milk-emulsion
The emulsion is the colloid in which the dispersion phase is liquid and the dispersion medium is liquid. Milk is an example of an emulsion.

Fog-aerosol
The aerosol is the colloid in which the dispersion phase is liquid/solid and the dispersion medium is gas. Fog is an example of aerosol.

Paint: Paint is also a type of colloidal solution. It is a ‘sol’ in which the dispersed medium (the solvent) is liquid and the dispersed phase (the solute) is solid. So, it is a heterogeneous mixture.