JEE Main 202330 Jan, Morning shiftChemistryEasyIsolation of Elements99× since 2002In the extraction of copper, its sulphide ore is heated in a reverberatory furnace after mixing with silica to:AOption A. remove FeO\mathrm{FeO}FeO as FeSiO3\mathrm{FeSiO}_{3}FeSiO3BOption B. remove calcium as CaSiO3\mathrm{CaSiO}_{3}CaSiO3COption C. decrease the temperature needed for roasting of Cu2 S\mathrm{Cu}_{2} \mathrm{~S}Cu2 SDOption D. separate CuO\mathrm{CuO}CuO as CuSiO3\mathrm{CuSiO}_{3}CuSiO3CheckSkip · show solution
