BPSC – Combined Competitive Examination · Question 93
Corundum and cryolite are important ores of:
Show answer & explanation
Answer: (A) Aluminium
Explanation
Both are aluminium minerals; cryolite is used as a flux in aluminium extraction.
- (A) Correct
Correct: corundum (Al₂O₃) and cryolite (Na₃AlF₆) contain aluminium.
- (B) Incorrect
Wrong: silver ores include argentite.
- (C) Incorrect
Wrong: tin ore is cassiterite.
- (D) Incorrect
Wrong: iron ores are haematite, magnetite etc.