Question

Sulfide ores contain around _____ copper.

(a) 9 – 10%

(b) 8 – 12%

(c) 4 – 5%

(d) 0.5 – 2%

I got this question in my homework.

I'm obligated to ask this question of Manufacturing Processes of Copper and its Alloys topic in chapter Copper and its Alloys of Aerospace Materials & Processes

Answer 1

The correct option is (d) 0.5 – 2%

The explanation is: Copper is usually never found in a natural state. Copper is found in several ores across the world including sulfide ore which contains 0.5 – 2% of copper. It has to undergo several processes to attain purity.