MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryMetallurgyFlux Impurities slag
Roasting or ores is done
A.in absence of air
B.in presence of a limited supply of air
C.in presence of superheated steam
D.in presence of an excess of oxygen✓ Correct
Explanation
Roasting of ores in the excess of oxygen and convert it into its oxides.
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