The article to be electroplated is always placed at the cathode .give reason
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The article to be electroplated is always placed at the cathode... During electrolytic reaction, the metal is always deposited at the cathode by gain of electrons. ... The metal anode continuously dissolves as ions in the solution and is hence replaced periodically.
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The technique used in electroplating is electrodeposition. The part to be plated is cathode of the circuit. It is similar to galvanic cell. The anode is made of the metal to be plated on that part. Both components are immersed in solution called electrolyte containing metal salts.
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