MasteryExams
General Science • ChemistryEasy

What is the primary ore of aluminum mined commercially on a large scale?

A. Haematite
B. Bauxite✓ Correct Answer
C. Magnetite
D. Cryolite

💡 Solution & Explanation

Bauxite is a sedimentary rock with a high aluminum content and serves as the primary commercial ore for extracting aluminum metal. Other options like haematite and magnetite are major iron ores, whereas cryolite acts as a solvent in the Hall-Héroult reduction process.

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