Q-2 Please answer
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Answer: 1 to prevent rusting
2 to make an object attractive
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Answer:
1) because
(i) it prevents corrosion or rusting.
(i) makes the article attractive.
2)a direct current and not A.C. current should be used.
because A.C.current causes-discharge and ionization to alternate at the cathode- this giving no effective coating.
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