ChemistryMediumHigh School (11–12)Electrochemistry › Conductance, Electrolysis and BatteriesNEETAPA-LevelIB
Created by StemPy LabAssertion (A): a scratched zinc coat still protects the iron below it. Reason (R): zinc has a higher reduction potential than iron.
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← Match the cells in List-I with the facts in List-II. List-I: (A) mercury cell; (B) dry cell; (C) lead storage battery; (D) hydrogen-oxygen fuel cell. List-II: (1) the reactants are fed in from outside; (2) a zinc can and ammonium chloride paste; (3) a lead dioxide plate in sulphuric acid; (4) a steady voltage, because the electrolyte is not used up.A drop of water with dissolved oxygen sits on an iron sheet and rust forms. Which reaction takes place where the oxygen is used up, at the cathode region? →
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