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  • 24-02-2021
  • Chemistry
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why does aluminium form at negative electrode during electrolysis

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guanren guanren
  • 24-02-2021

Answer:

The negative electrodes (cathodes ) and the positive electrodes (anodes ) are made of graphite, a form of carbon. During electrolysis: positively charged aluminium ions gain electrons from the cathode, and form molten aluminium. oxide ions lose electrons at the anode, and form oxygen molecules.

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