Define the term metallurgy. Name the process of extraction of Aluminium.

Define the term metallurgy. Name the process of extraction of Aluminium. 
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Answer :

Metallurgy:-The process of extraction of metal from its ore economically & profitably is called as metallurgy. The process used for extraction of Aluminium metal is Bayer’s process, Electrolytic reduction of alumina, Electrolytic refining. 
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