JEE Main 2023 Chemistry question

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

Not in JEE Main or NEET syllabus

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