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Question 13Silver articles become black on prolonged exposure to air. This is due to the formation of:(a) Ag3N(b) Ag2O(c) Ag2S(d) Ag2S and Ag3N |
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Answer» Question 13 Silver articles become black on prolonged exposure to air. This is due to the formation of: (a) Ag3N (b) Ag2O (c) Ag2S (d) Ag2S and Ag3N |
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