Explain the process of electroplating
purification of impure copper
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Explanation:
Purifying copper by electrolysis
Copper is purified by electrolysis. Electricity is passed through solutions containing copper compounds, such as copper(II) sulfate. The anode (positive electrode) is made from impure copper and the cathode (negative electrode) is made from pure copper.
Pure copper forms on the cathode. The slideshow shows how this works:
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