JEE Main 202127 Jul, Evening shiftChemistryEasyIsolation of Elements99× since 2002The addition of silica during the extraction of copper from its sulphide ore :-AOption A. converts copper sulphide into copper silicateBOption B. converts iron oxide into iron silicateCOption C. reduces copper sulphide into metallic copperDOption D. reduces the melting point of the reaction mixtureCheckSkip · show solution
