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Subject :Sam    Class : Sample

When Cu is exposed to moist air for a long time, which of the following is formed?

CBoth (A) and (B)

i think it must be d as metals react with oxygen to give oxides of them

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8

Ans 4:

Class : Class 8
C) Both (A) and (B) Cu(OH)2 and CuCO3

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