Question

what works as anode in electrolytic refining of a metal

Answer 1

anode is the positive electrodes

Answer 2

Anode have a material which will electroplate a layer on to the metal at cathode. Like in copper electriplating, copper plate ar anode:
Cu(S)------->Cu2+(aq)+ 2e-
$hope \: it \: \: helps$

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