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The Hall-Heroult process is used for ___________ aluminium.

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The Hall-Heroult process is used for ___________ aluminium.

(a) breaking

(b) distributing

(c) smelting

(d) mixing

The question was asked in a job interview.

My question is based upon Chemical Processes of Aluminium in chapter Wrought Aluminium Alloys of Aerospace Materials & Processes

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The correct option is (c) smelting

The best explanation: The Hall-Heroult process is used in the smelting of aluminium. Smelting refers to the extraction of metal using heat. Several metals can be extracted using this process, including aluminium, silver, copper, iron, etc.

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