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CSS Solved Papers
Physics Chemistry

Engineering :: Chemical Technology


  Select the wrong statement
[A]. Voltaic cell uses exothermic chemical reactions to produce electrical energy[B]. In the voltaic cell the positive current flows from the positive electrode to the negative electrode outside the cell
[C]. A voltaic cell can become an electrolysis cell by use of an external voltage greater than the voltaic cell voltage and imposed in the opposite directions[D]. Voltaic cell uses electrical energy to produce endothermic chemical changes

Answer: Option D


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