Q.

Which mineral is the ore of aluminium?

A. Haematite
B. Bauxite
C. Magnetite
D. Siderite
Answer» B. Bauxite
Explanation: Bauxite is an aluminium ore and is the main source of aluminium. Approximately 70% to 80% of the world's dry bauxite production is processed first into alumina, and then into aluminium by electrolysis.
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