(a) Copy and complete the following table which refers to two practical applications of electrolysis
AnodeElectrolyteCathode(i) Silver platingSolution of of a spoonpotassiumargentocyanide(ii) Purification Of copper(iii) Extraction Of sodium
(b) Write equations of reactions taking place at anode for Q.2(a).
Write two applications of electrolysis in which the anode diminishes in mass.