The process of purification of an impure metal is like :
(a) electroplating a metal on the same type of metal
(b) electroplating a metal on another type of metal
(c) producing a chemical compound by electrolysis
(d) decomposing a chemical compound by electrolysis.

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Solution

(a) electroplating a metal on the same type of metal

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The process of purification of an impure metal is like : (a) electroplating a metal on the same type of metal (b) electroplating a metal on another type of metal (c) producing a chemical compound by electrolysis (d) decomposing a chemical compound by electrolysis.

(a) electroplating a metal on the same type of metal

The process of purification of an impure metal is like :
(a) electroplating a metal on the same type of metal
(b) electroplating a metal on another type of metal
(c) producing a chemical compound by electrolysis
(d) decomposing a chemical compound by electrolysis.