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| Q. |
Apparent current efficiency is due to which of the following factors? |
| A. | choice of wrong valence |
| B. | passivation of anodic surface |
| C. | gas evolution at anode |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| Explanation: current efficiency may be apparent because of choice of wrong valence, passivation of anodic surface or gas evolution at anodic surface. | |
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