Question

Which ore contains both Iron and copper?

• A. Cuprite
• B. Malachite
• C. Chalcocite
• D. Chalcopyrite

Answer 1

The correct option is D

Chalcopyrite

Explanation for correct option

(D) Chalcopyrite

Ore

• Ore is a mineral deposit in the Earth's crust that contains one or more valuable minerals.
• Copper, gold, and iron, which are crucial to commerce and trade, are found in the most valuable ore deposits.

Chalcopyrite

• Chalcopyrite, a copper iron sulfide mineral with the chemical formula ${\mathrm{CuFeS}}_2$.
• Copper and iron are both found in this ore.

Explanation for incorrect options

(A) Cuprite

• Cuprite, or copper(I) oxide $\left({\mathrm{Cu}}_2\mathrm{O}\right)$, is an oxide mineral.

(B) Malachite

• Malachite, having the formula ${\mathrm{Cu}}_2{\mathrm{CO}}_3{\left(\mathrm{OH}\right)}_2$, is a copper ore.

(C) Chalcocite

• Copper(I) sulfide, often known as chalcocite, is a common copper ore.

Therefore the correct option is (D) Chalcopyrite.