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The following four colourless salt solut...

The following four colourless salt solutions are placed in separate test tubes and a strip of a copper is placed in each Which of the following solutions will finally turn blue ?

A

`NaCl`

B

`AgNO_(3)`

C

`ZnSO_(4)`

D

`Cd(NO_(3))_(2)`.

Text Solution

Verified by Experts

The correct Answer is:
B
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