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Set 13 of 13 · Questions 361-363 of 363

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JEE Main Chemistry · Electrochemistry · Set 13 (Q361-363)

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  1. 361.
    Which of the following is incorrect ?
    1. (1)
    2. (2)
    3. (3)
    4. (4)
  2. 362.
    A secondary cell is one which
    1. (1)can be recharged
    2. (2)can be recharged by passing current through it in the same direction
    3. (3)can be recharged by passing current through it in the opposite direction
    4. (4)cannot be recharged.
  3. 363.
    Identify the correct statement:
    1. (1)Corrosion of iron can be minimized by forming an impermeable barrier at its surface.
    2. (2)Iron corrodes in oxygen-free water.
    3. (3)Iron corrodes more rapidly in salt water because its electrochemical potential is higher.
    4. (4)Corrosion of iron can be minimized by forming a contact with another metal with a higher reduction potential.