MetallurgyMedium
Question
When copper pyrities is roasted in excess of air, a mixture of CuO and FeO formed. FeO is present as impurities. This can be removed by slag during reduction of CuO. The flux added to form slag is :-
Options
A.Silica which is an acidic flux.
B.Lime stone which is a basic flux.
C.SiO2 which is a basic flux.
D.CaO which is basic flux.
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