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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