Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matte obtained from the blast furnace is charged into a silica-lined converter. Some silica is also added, and a hot air blast is blown into the mixture to obtain blister copper, which is purified by electrorefining.
Matte is a mixture of

Options

A. `Cu_(2) S + FeS` (small amount)
B. `FeS + Cu_(2) S` (small amount)
C. `Cu_(2) O + FeO` (small amount)
D. `FeO + Cu_(2) S` (small amount)

Answer

A