QQuestion
Which of the following is an ore of Aluminium?
(a) Hematite
(b) Bauxite
(c) Malachite
(d) Chalcocite
✓Answer
(b) Bauxite
Explanation
Bauxite is the chief ore of aluminium. It mainly contains hydrated aluminium oxide (Al₂O₃·2H₂O) along with impurities such as iron oxide and silica.
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