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Four colourless salt solutions are place...

Four colourless salt solutions are placed in separate test tubes and a strip of copper is dipped in each. Which solution finally turns blue ?

A

`AgNO_(3)` solution

B

`Zn(NO_(3))_(2)` solution

C

`Ba(NO_(3))_(2)` solution

D

`NaNO_(3)` solution

Text Solution

Verified by Experts

The correct Answer is:
A
`Cu + 2AgNO_(3) to Cu(NO_(3))_(2) + 2Ag`
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