Surface Chemistry

Surface Chemistry


What are emulsions? What are their different types? Give one example of each type.


Emulsions are the liquid−liquid colloidal systems, obtained on mixing two immiscible or partially miscible liquids.

There are two types of emulsions.

(1) Oil dispersed in the water type (O/W) : Here water is the dispersion medium, e.g. milk.

(2) Water dispersed in oil type (W/O) : Here oil is the dispersion medium, e.g. butter.

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