Question

Bauxite contains _____ percent of aluminium.

• A. 30-40
• B. 30-50
• C. 30-70
• D. 25-75

Answer 1

The correct option is C

30-70

• The mineral which contains either metal or metal compounds in enough quantity that can be extracted easily and profitability is termed as ore.
• Bauxite is an ore of Aluminium (Al) with the chemical formula Al₂H₂O₄.
• The percentage of Aluminium (Al) in Bauxite lies in the range of 30 to 70.

Hence, option C is correct. Bauxite contains 30-70 percent of aluminium.