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What method is to be used if we want pure copper from the rod of impure copper?
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What method is to be used if we want pure copper from the rod of impure copper?

User AbreQueVoy
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The answer is really hard to explain but let me sho a website here.

www.bbc.co.uk/schools/gcsebitesize/science/add_aqa_pre_2011/ions/electrolysisrev3.shtml
User Pawan Verma
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