Which of the following is an ore of Aluminium?
(a) Hematite
(b) Bauxite
(c) Malachite
(d) Chalcocite
WBBSE
Class X
Physical Science
Metallurgy
01 Mark
2025
(b) Bauxite
Explanation:
Bauxite is the chief ore of aluminium. It contains aluminium mainly as hydrated aluminium oxide (Al₂O₃·xH₂O) and is the primary source used in aluminium extraction worldwide.
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