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Some iron nails were dropped in an unknown solution taken in a beaker and left for 10 minutes. (A) Al2(SO4)3 (B) CuSO4

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+1 vote
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asked Feb 7, 2018 in Chemistry by sforrest072 (157,439 points) ● 63 ● 452 ● 1332

Some iron nails were dropped in an unknown solution taken in a beaker and left for 10 minutes. It was then observed that a brown coating is formed on nails. The solution is of

(A) Al2(SO4)3              (B) CuSO4
(C) FeSO4                    (D) ZnSO4

1 Answer

+1 vote
answered Feb 7, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 24
selected Feb 7, 2018 by sforrest072
 
Best answer

The correct answer is

(B) CuSO4

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