JEE Main 2023 Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main 2023

In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to

(A)Decrease the temperature needed for roasting of
(B)Remove calcium as
(C)Separate CuO as
(D)Remove FeO as Correct

Answer: (D)

Solution

Question ID VK-037179