name the colour of coating formed on silver and copper articles when exposed to air
Answers
Answered by
24
Answer:
The colour is black.
Explanation:
on reacting with oxygen, Cu and Ag form CuO and AgO respectively which are black.
Answered by
16
Answer:
The colour is black.
Explanation: on reacting with oxygen, Cu and Ag form CuO and AgO respectively which are black
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