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A ____________ process is carried out to get aluminium from the oxide alumina.

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A ____________ process is carried out to get aluminium from the oxide alumina.

(a) electrolytic

(b) dynamite

(c) chromatography

(d) bakelite

I had been asked this question during a job interview.

The doubt is from Wrought Aluminium and it’s Alloys in section Wrought Aluminium Alloys of Aerospace Materials & Processes

1 Answer

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Best answer
Right choice is (a) electrolytic

The best explanation: Aluminium is often found in the ore bauxite. But, it is found along with a lot of impurities. Therefore, a chemical process purifies it to alumina after which it is subjected to an electrolytic process.

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