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KCl (aq) cannot be used as a salt bridge...

`KCl (aq)` cannot be used as a salt bridge for the cell `Cu(s)|CuSO_4(aq)||AgNO_3(aq)|Ag(s)` because :

A

`CuCl_2` is precipitated

B

`Cl_2` gas is given out

C

`AgCl` is precipitated

D

All

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The correct Answer is:
C
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