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If copper is kept open in the air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of
If copper is kept open in the air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of
CBSE | Chemistry | Class 10 | Metals and Non Metals
If copper is kept open in the air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of

a) CuSO4

b) CuCO3

c) CuNO3 2

d) CuO

Answer: d) CuO

i

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