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  • In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to:Option: 1 <img alt="\mathrm{remove\: F

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

Option: 1

\mathrm{remove\: FeO \: as\: FeSiO_{3}}
 


Option: 2

\mathrm{decrease \: the \: temperature\: needed \: for \: roasting \: of \: Cu_{2} S}
 


Option: 3

\mathrm{separate \: CuO\: as\: CuSiO_{3}}
 


Option: 4

\mathrm{remove \: calcium \: as \: CaSiO_{3}}


Answers (1)

best_answer

The copper ore contains iron, it is mixed with silica before heating in reverberatory furnace, \mathrm{feO} of slags off as \mathrm{FeSiO_{3}}

\mathrm{FeO+SiO_{2}\rightarrow FeSiO_{3}}

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Riya

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