Q25 of 38 Page 64

How are emulsions different from Gels? Give one example of each.

Emulsions are colloids where both dispersed phase and dispersing phase are liquid. In case of gels dispersed phase is liquid and dispersing medium is solid.

Example of emulsion is milk and example of gel is jelly.


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(d) Potassium sulphate

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Which separation techniques will you apply for the separation of the following?

(a) The different pigments from an extract of flower petals


(b) Butter from curd


(c) Oil from water


(d) Tea leaves from tea


(e) Iron pins from sand


(f) Wheat grains from husk


(g) Fine mud particles floating in water.