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During roasting of copperr pyrites the major reaction observed is ___________.A. `2FeS + 3O_(2) to 2FeO + 2SO_(2)`B. `CuFeS_(2) + 3O_(2) to FeO + CuO + SO_(2) uarr`C. `CuFeS_(2) + O_(2) to Cu_(2)S + 2FeS + SO_(2) uarr`D. `2CuS + 3O_(2) to 2CuO + 2SO_(2) uarr`

Answer» Correct Answer - C
To remove the volatile impurity


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