GCSE Chemistry Revision "Electrolysis of Aluminium Oxide"

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In this video, we continue looking at electrolysis by exploring how we extract the metal aluminium. We look at the reactions at the cathode and the anode and then explore some specific details of this process, including why the anode must be replaced regularly.

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Image credits:

boeing 747 (By Adrian Pingstone (Own work) [Public domain], via Wikimedia Commons)

Coke can (By M0tty (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/b...)], via Wikimedia Commons)

aluminium oxide (By Ondřej Mangl (Own work) [Public domain], via Wikimedia Commons)