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Chemistry
Chemistry
Problem
Copper is very slowly oxidised on the surface in moist air, giving a green coating of verdigris is: a.
Cu
2
O
\text{Cu}_2\text{O}
Cu
2
O
b.
CuCO
3
\text{CuCO}_3
CuCO
3
c.
Cu
(
CH
3
COO
)
2
⋅
Cu
(
OH
)
2
\text{Cu}(\text{CH}_3\text{COO})_2 \cdot \text{Cu}(\text{OH})_2
Cu
(
CH
3
COO
)
2
⋅
Cu
(
OH
)
2
d.
CuSO
4
\text{CuSO}_4
CuSO
4
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