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CBSE Notes 2011-2012

If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. ...

Multiple choice question

If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of

unknown

CuS04

unknown

CuC03

unknown

CU(N03)2

unknown

CuO