Why is extraction of aluminium not commercially viable by using reducing agents like coke? OR Coke is used in the extraction of iron but not in the extraction of aluminium. Why? OR Aluminium cannot be extracted by heating bauxite and coke. Why?

Why is extraction of aluminium not commercially viable by using reducing agents
like coke?
 OR
Coke is used in the extraction of iron but not in the extraction of aluminium. Why?
 OR
Aluminium cannot be extracted by heating bauxite and coke. Why?
by

1 Answer

Answer :

Oxygen of aluminium oxide cannot be easily taken away by reducing agents like coke.
by

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Last Answer : For electrolysis of we need pure alumina. Hence bauxite is converted into alumina by chemical process.

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Last Answer : Slag obtained in blast furnace is used as one of theraw materials of glass and cement.

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