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Chemistry Test ...

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  • Question 1
    4 / -1

    The oxidation number of Cl in Cl2O7 is

  • Question 2
    4 / -1

    The standard reduction potentials E°, for the half reactions are as:

  • Question 3
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    The binding of oxygen by haemoglobin (Hb) forming (HbO2), is partially regulated by the concentration of H3O + and dissolved CO2 in blood.

    Release of O2 is favoured when there is

  • Question 4
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    Fuel cells are _________ that are designed to convert the energy of combustion of fuels like hydrogen, methane, methanol, etc. directly into _________.

  • Question 5
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    Which of the following atom has been assigned only single oxidation number?

  • Question 6
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    Cl2 gas is passed into a solution containing KF, Kl and KBr, and CHCI3 is added. There is a colour in CHCI3 (lower) layer. It is due to

  • Question 7
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    Which of the following reactions is a decomposition redox reaction?

  • Question 8
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    In each of the following equilibria, pressure is made four times after equilibrium is set up. In which case yield of the product(s) is maximum?

  • Question 9
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    The passage of current through a solution of certain electrolye results in the evolution of H2 at cathode and Cl2 at anode. The electrolytic solution is -

  • Question 10
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    The decomposition of hydrogen peroxide to form water and oxygen is an example of

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