MetallurgyHard
Question
In poling process of purification of Cu, O2 oxidises following group of elements :
Options
A.S, Sb, As
B.Sb, As, Fe
C.S, Sb, As
D.As, Ag, Au
Solution
In poling process of purification of Cu, O2 oxidises S, Sb, As and Fe into their oxides.
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