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The cathode and anode in a photocell are...

The cathode and anode in a photocell are respectively.

A

`Na_(3)AIF_(6)` and `CaF_(2)`

B

`AlF_(3)` and KF

C

`Al_(2)O_(3)` and KCl

D

`KCl.MgCl_(2).6H_(2)O` and `MgF_(2)`

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The correct Answer is:
A
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