colloid

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Full audio description of colloid page (including description of table).

A colloid is a mixture where one phase is microscopically mixed within another phase. The table below gives examples for all the possible colloids.

Phase Gas Liquid Solid
Gas No known examples Liquid aerosol e.g. fog, mist Solid aerosol e.g. smoke
Liquid Foam e.g. shaving cream Emulsion e.g. milk, mayonnaise Sol e.g. blood
Solid Solid foam e.g. styrofoam Gel e.g. butter Solid sol e.g. steel

 

Milk is an example of a liquid/liquid colloid, where milk fat droplets are dispersed in water

 

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