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Copper is the most noble of first row transition metals and occurs in small deposits in several countries. Ores of copper include chalanthrite. (CuSO_(4).5H_(2)O), atacanrite [Cu_(2)Cl(OH)_(3)] cuprite (Cu_(2)O), copper glance (Cu_(2)S) nad malachite [Cu_(2)(OH)_(2)CO_(3)]. However, 80% of the world copper production comes from the ore chalcopyrite (CuFeS_(2)). The extraction of ore chalcopyrite (CuFeS_(2)). The extraction of copper from chalcopyrite involves partial roasting, removal of iron nad selfreduction. Partial roasting of chalcopyrite produces

Answer»

`Cu_(2)S` and FEO
`Cu_(2)O` and FeO
CuS and `Fe_(2)S_(3)`
`Cu_(2)O` and `Fe_(2)O_(3)`

SOLUTION :N//A


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