Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Which of the following processes occurs during the extraction of copper from chalcopyrites ?
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a, b, c)
Sulphides ores are generally concentrated by froth floatation.
2CuFeS2 + 4O2 
Cu2S + 2FeO + 3SO2
Cu2S + FeO + SiO2 ¾® FeSiO3 (fusible slag) + Cu2S (matte)
Bessemerisation
2FeS + 3O2 
2FeO + 2SO2
FeO + SiO2 
FeSiO3
2Cu2S + 3O2 
2Cu2O + 2SO2
2Cu2O + Cu2S 
6Cu + SO2 (self reduction).
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Which of the following is not an oxide ore?
Which of the following is not an ore of magnesium?
Which of the following is an acidic frefractory material?
Which one of the following is not a sulphide ore?
Which of the following is a halide ore?
In which of the following the name of the ore is not matched with its formula?