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| 1. |
(a) Give any three differences between physical adsorption and chemical adsorption. (b) What is (i) Tyndall effect (ii) Peptisation ? |
Answer» SOLUTION : (b) (i) Scattering of LIGHT by COLLOIDAL PARTICLES. (ii) Conversion of freshly prepared precipitate into a colloid by adding a suitable electrolyte. |
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