Deep blue colour is imparted to glass by the presence of Options: A . &nbspcupric oxide B . &nbspnickel oxide C . &nbspcobalt oxide D . &nbspiron oxide

Deep blue colour is im

Question

Deep blue colour is imparted to glass by the presence of

Options:

A . cupric oxide

B . nickel oxide

C . cobalt oxide

D . iron oxide

Answer: Option C

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