Question

when Cu is exposed to moist air for a long time, which of the following is formed
(a) Cu(OH)2
(b) CuCO3
(c) both A and B
(d) Cu20
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Answer 1

Answer:

c.both A and B.

Explanation:

This is ur answer for the question

Answer 2

Answer:

Option (C) Both A and B

Explanation:

Copper forms a green deposit on its surface when exposed to air which is usually a mixture of copper carbonate and copper hydroxide