(a). State: (a) two applications of electrolysis in an industry
(b) one application of electrolysis in a school laboratory.
Explanation
a) Industrial application of electrolysis are
– purification of some metals
– electroplating
– production of gases, e.g. Hydrogen from water
– extraction of some metals from their ores, e.g. Aluminium from bauxite.
(b) Applications of electrolysis in school laboratory
– electrolysis of acidified water
– calibration of ammeter.