The most important ore of aluminum is
A. Galena
B. Calamine
C. Calcite
D. Bauxite
Answer: Option D
Solution (By Examveda Team)
Bauxite is the most important ore of aluminum which contains only 30–54% alumina, Al2O3.This Question Belongs to General Knowledge >> General Science
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Bauxite is the most important ore of aluminium.It is a mixture of hydous aluminium oxide, aluminium hydroxide , clay minerals and insoluble materials.