Metallurgy (aluminum source): What is the most important ore of aluminum? Identify the principal bauxite-group ore used industrially for alumina extraction. Choose the correct ore.
General Knowledge
General Science
Difficulty: Easy
Choose an option
Answer
Correct Answer: Bauxite
Explanation
What is being asked?The principal ore used to extract aluminum.
Given data
- Metal: Aluminum (Al)
Concept/ApproachBauxite (hydrated aluminum oxides) is refined to alumina (Al2O3) via the Bayer process and then reduced to aluminum metal by Hall–Héroult electrolysis.
Final AnswerBauxite