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Question

High purity copper metal is obtained by:

A
carbon reduction
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B
hydrogen reduction
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C
electrolytic reduction
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D
thermite reduction
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Solution

The correct option is C electrolytic reduction
High purity copper metal (nearly 99.99%) is obtained by electrolytic reduction. A schematic is shown in the attached image.
104804_77139_ans_6e09ef8313b0491bb94e8a397851c969.png

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Electrolytic refining of copper
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