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प्रश्न
Which of the following is purified by electrorefining?
पर्याय
Silver
Gold
Nickel
All of these
MCQ
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उत्तर
All of these
Explanation:
Electrorefining is the standard industrial method to purify less reactive metals. It is used to get ultra-pure silver, gold, copper, and nickel.
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पाठ 7: Metallurgy - Intext Question [पृष्ठ १४५]
