Q. Which is not a mineral of aluminium?
A) Corundum
B) Anhydrite
C) Diaspore
D) Bauxite
Explanation
(b)
Bauxite $(Al_{2}O_{3}.2H_{2}O)$
Corundum $\left( Al_{2}O_{3} \right)$
Diaspore $(Al_{2}O_{3}.H_{2}O)$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.