Answer:
(a) Classification of colloids on the basis physical states of components:
See answer Q.9. of NCERT (end exercise).
(b) Classification of colloids
On the basis of nature of dispersion medium:
On this basis, colloids are
(i) Aquasol or hydrosol — when dispersion medium is water.
(ii) Alcosol — when dispersion medium is alcohol.
(iii) Benzosol — when dispersion medium is benzene.
(iv) Aerosol — when dispersion medium is gases.
(c) Classification of colloids on the basis of interaction between the dispersed phase and dispersion medium.
See answer to Q .11. of NCERT (end exercise).
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