MCQ
In a electrochemical cell
- APotential energy changes into kinetic energy
- BKinetic energy changes into potential energy
- ✓Chemical energy changes into electrical energy
- DElectrical energy changes into chemical energy
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$C{H_3}CN\xrightarrow{{Na/{C_2}{H_5}OH}}A\xrightarrow{{HN{O_2}}}B\xrightarrow{{{\text{copper}}}}C$