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Question
During electro-refining of copper, at the anode ______.
Options
copper is formed
impurities are separated
water is formed
Both copper and water are formed.
MCQ
Fill in the Blanks
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Solution
During electro-refining of copper, at the anode impurities are separated.
Explanation:
The impure copper dissolves from the anode, and its insoluble impurities settle down beneath it as anode mud, separating them from the pure metal.
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