In a battery, if the following oxidation-reduction reactions takes place normally:Mn2O3 + ZnO ? 2 MnO2 + Zn
What reaction would be taking place if you were charging the battery?

A. ZnO ? Zn
B. 2 MnO2 + Zn ? Mn2O3 + ZnO
C. Mn2O3 ? MnO2 
D. all of the above
E. none of the above


Answer: B

Environmental & Atmospheric Sciences

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