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JEE Main & Advanced Chemistry Electrochemistry / विद्युत् रसायन Question Bank Cell constant and Electrochemical cells

  • question_answer
    A depolarizer used in dry cell batteries is               [NCERT 1981]

    A)                 Ammonium chloride      

    B)                 Manganese dioxide

    C)                 Potassium hydroxide    

    D)                 Sodium phosphate

    Correct Answer: B

    Solution :

                    \[Mn{{O}_{2}}\] is used in dry batteries cell.


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