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Copper is the most noble among the first row transition metals and occurs in small deposits in several countries. Ores of copper include chalcopyrite `(CuFeS_(2))`, cuprite `(Cu_(2)O)`, copper glance `(Cu_(2)S)` and malachite `[CyCO_(3).Cu(OH)_(2)]`. However 80% of the world copper production comes from the ore chalcopyrite `(CuFeS_(2))`. the extraction of copper from chalcopyrite involves partial roasting , removal of ironand self-reduction. Iron is removed from chalcopyrite asA. FeOB. FeSC. `Fe_(2)O_(3)`D. `FeSiO_(3)`

Answer» Correct Answer - D
Iron is removed as `FeSO_(3)`


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