5.22 How are colloids classified on the basis of (i) Physical states of components (ii) Nature of dispersed phase and (iii) Interaction between dispersed phase and dispersion medium?
5.22 How are colloids classified on the basis of (i) Physical states of components (ii) Nature of dispersed phase and (iii) Interaction between dispersed phase and dispersion medium?
5.22
Colloidal solutions get classified in 8 Types on the basis of physical state of the dispersed phase and dispersion This are given in following table-
Dispersed phase | Dispersion media | Types of colloids | Example |
Solid | Solid Sol | Gem stone | |
Solid | Liquid | sol | Paints, cell fluid. |
Solid | Gas | Aerosol | Dust, smoke. |
Liquid | Solid | Gel | Butter, Cheese. |
Liquid | Emulsion | Milk, Hair cream. | |
Liquid | Gas | Aerosol | Fog, Mist, Cloud. |
Gas | Solid | Solid Sol | Pumice stone. |
Gas | Liquid | Foam | Froth, soap lather. |
2) Depending upon nature of Particles of dispersed phase it can be classified into 3 categories
Multimolecular Colloids-In this colloidal particle
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