Match the following Columns — Surface Chemistry Chemistry Question

💡 Solution & Explanation

(A) Cottrell precipitation is an electrostatic precipitation method used for the removal of carbon and other harmful pollutants from industrial waste gases (R). (B) Electrophoresis is the phenomenon involving the movement of charged colloidal particles towards an oppositely charged electrode under an applied electric field (S). (C) Hemodialysis is the medical process of separating small waste molecules from the colloidal blood, thus used for purification of blood (P). (D) Coagulation refers to the precipitation of colloidal particles induced by the addition of suitable electrolytes (Q). Therefore, correct answer is A-R, B-S, C-P, D-Q.