Question

Write a few examples for the following collodials. 1)gel 2)foam 3)emulsions 4)aerosol​

Answer 1

Answer:

Dispersion Medium Dispersed Phase Type of colloid Example

Gas Liquid Aerosol Fog, mist

Gas Solid Aerosol Smoke

Liquid Gas Foam Whipped cream

Liquid Liquid Emulsion Mayonnaise, hair cream

Liquid Solid Sol Paints, cell fluids

Solid Gas Foam Pumice, plastic foams

Solid Liquid Gel Jelly, cheese

Solid Solid Solid sol Ruby glass (glass with dispersed metal)

Foam, gel and aerosol all are examples of colloid solution.

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Answer 2

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1 gel - gelatin

2 foam - soap foam

3 emulsions - oil and water

4 aerosol - dust , fog