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9 Mar 2022
In coloured glass. the purple colour is imparted by
(A) Manganese oxide
(B) Cadmium sulphide
(C) Ferric oxide
(D) Selenium sulphide
In coloured glass. the purple colour is imparted by
(A) Manganese oxide
(B) Cadmium sulphide
(C) Ferric oxide
(D) Selenium sulphide
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