Explain the following terms : (i) Electrophoresis (ii) Coagulation (ii – InterviewSolution

1.	Explain the following terms : (i) Electrophoresis (ii) Coagulation (iii) Dialysis (iv) Tyndall effect.
Answer» Solution : (i) Electrophoresis. It is the movement of colloidal particles under the influence of external electrical field. (ii) Coagulation. It is the breaking of colloid into dispersed phase and dispersion medium. (iii) Dialysis. PURIFICATION of colloidal SOLUTIONS by USING a MEMBRANE. (IV) Tyndall effect. It is the scattering of light by the colloidal particles.

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