Minerals from which metals can be extracted economically and easily are called ores.The extraction of metals from theirs ores involves the following p
Minerals from which metals can be extracted economically and easily are called ores.The extraction of metals from theirs ores involves the following processes.
(i)Concentration.
(ii)Calcination | roasting | leaching .
(iii)Reduction.
It is carried out be one of the following methods.
Which of the following reactions reactions does not occur in Bessemer converter in the extraction of copper from chalcopyrites ?
A. `2Cu FeS_2+4O_2toCu_2S+2FeO+3SO_2`
B. `FeO+SiO_2toFeSiO_3`
C. `2FeS+3O_2to2FeO+2SO_2`
D. `Cu_2S+2Cu_2Oto6Cu+SO_2`
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Correct Answer - A
The reaction occurs during roasting in reverberatory furnace at moderate temperature in presence of air.
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