Science

12th

grade

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ELECTROCHEMISTRY MCQ

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20 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt

    The standard reduction potential of metals A,B,C and D are -0.40v, +0.34v,+0.8v and -1.67v. The metal that can displace all others is

    D

    B

    A

    C

  • 2. Multiple Choice
    45 seconds
    1 pt

    When tin is over iron, it acts as an oxidizing agent and protects iron.

    TRUE

    FALSE

  • 3. Multiple Choice
    45 seconds
    1 pt

    The equilibrium constants of two redox reactions X and Y are 1.5 x1015 and 5.5 x 1016 . Reaction X is more spontaneous than Y.

    FALSE

    TRUE

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