Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.

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Question: Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.
[A].

chromium

[B].

arsenic

[C].

copper

[D].

mangnese

Answer: Option C

Explanation:

No answer description available for this question.