Engineering
Chemistry
Electrolytic Refining
Electrolysis
Extraction of Iron and Copper
Question

In the Hall-Heroult process, aluminium is formed at the cathode. The cathode is made out of:

platinum
copper
pure aluminium
carbon
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Solution
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The hall-heroult process is used for smelting of aluminium.

In the Hall-Heroult process, the cathode is made of carbon. Also, here anode is also made up of carbon.

Hence, the correct option is B