General Science • ChemistryEasy
Which ore is the primary source for the extraction of aluminium metal?
A. Haematite
B. Bauxite✓ Correct Answer
C. Magnetite
D. Galena
💡 Solution & Explanation
Bauxite is a sedimentary rock with a high aluminium content and serves as the primary commercial ore used worldwide for the extraction of pure aluminium metal through the Bayer process followed by Hall-Héroult electrolysis. Haemetite and magnetite are principal iron ores, whereas galena is an important lead sulfide ore. Mineral resource identification is a standard requirement for economic geography and general science questions.
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