Electrochemical Series in Hindi

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    Electrochemical Series in Hindi. We covered all the Electrochemical Series in Hindi in this post for free so that you can practice well for the exam.

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    Electrochemical Series Objective mcqs in Hindi for Students

    What happens when a lead–Acid storage battery is charged?

    a) Lead dioxide gets dissolved

    b) Sulphuric Acid is regenerated

    c) The lead plate becomes covered with lead sulphate

    d) The concentration of sulphuric Acid decreases

    Option b - Sulphuric Acid is regenerated

    A dry cell is best described as

    a) A primary cell

    b) Another name for the Leclanché cell

    c) Commonly used in devices like clocks and transistors

    d) All of these

    Option d - All of these

    The approximate efficiency of a hydrogen–oxygen fuel cell is

    a) 20%

    b) 40%

    c) 70%

    d) 90%

    Option c - 70%

    In which type of cell is the free energy of a chemical reaction converted directly into electrical energy?

    a) Leclanché cell

    b) Concentration cell

    c) Fuel cell

    d) Lead–Acid storage battery

    Option c - Fuel cell

    A dry cell is made using which of the following materials?

    a) Only manganese dioxide

    b) Only ammonium chloride

    c) A mixture of manganese dioxide, ammonium chloride, and carbon

    d) Only carbon

    Option c - A mixture of manganese dioxide, ammonium chloride, and carbon

    Which of the following is a basic example of a fuel cell?

    a) Daniell cell

    b) Hydrogen–oxygen cell

    c) Lead storage battery

    d) Dry cell

    Option b - Hydrogen–oxygen cell

    In a lead–Acid storage battery, the electrolyte used is

    a) About 38% aqueous sulphuric Acid

    b) 2N sulphuric Acid

    c) Sulphuric Acid with specific gravity 1.5

    d) A very dilute sulphuric Acid solution

    Option a - About 38% aqueous sulphuric acid

    A lead–acid storage battery can function as

    a) An electrolytic cell

    b) A voltaic (galvanic) cell

    c) A fuel cell

    d) Both an electrolytic cell and a voltaic cell

    Option d - Both an electrolytic cell and a voltaic cell

    We covered all the electrochemical series in Hindi above in this post for free so that you can practice well for the exam.

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