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Electrochemistr...

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  • Question 1
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    The depolariser used in a dry cell battery is

  • Question 2
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    During the electrolysis of NaCl, if we use Pt electrode, then H2 is liberated at cathode; while in the presence of Hg cathode, it forms sodium amalgam because

  • Question 3
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    In the electrolysis of CuSO4 solution, 6.35 g of copper was deposited. If the same amount of electricity is passed through silver nitrate solution, then the mass of Ag deposited at cathode is

  • Question 4
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    During electrolysis of copper chloride (II) solution, using copper electrodes, the mass of cathode is increased by 3.15 g. Then the reaction taking place at the anode is

  • Question 5
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    The most effective method to protect the bottom of a ship made of iron is:

  • Question 6
    1 / -0

    The standard reduction potentials of various metals are given as follow:

    Sn2+/Sn = -0.14 V, Zn2+/Zn = -0.76V, Fe2+/Fe = -0.44 V

    Pick out the correct statement out of the following:

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