Class 12 Chemistry General Principles and Processes of Isolation of Elements Reduction to free Metal

Medium

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

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A
separate $CuO$ as $CuSiO_3$
B
remove calcium as $CaSiO_3$
C
decrease the temperature needed for roasting of $Cu_2S$
D
remove $FeO$ as $FeSiO_3$

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Reduction to free Metal

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