Answer:
(a) (i)
(ii)
(iii) Electrolytic refining
1.A thick block of the impure
metal is made anode (+ ve).
2.A thin strip of pure metal is
made cathode (- ve).
3.solution is
taken as electrolyte.
At cathode
At anode
(b) The diagram showing the
electrolytic refining of copper.
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