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Hydrogen Test -...

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  • Question 1
    4 / -1

    The component present in greater proportion in water gas is

  • Question 2
    4 / -1

    Consider the following statements:
    I. Atomic hydrogen is obtained by passing hydrogen through an electric arc
    II. Hydrogen gas will not reduce heated aluminium oxide
    III. Finely divided palladium absorbs large volume of hydrogen gas
    IV. Pure nascent hydrogen is best obtained by reacting Na with C2H5OH
    Which of the above statements is/are correct?

  • Question 3
    4 / -1

  • Question 4
    4 / -1

    The H-O-H angle in water molecule is about

  • Question 5
    4 / -1

    Pure water can be obtained from sea water by

  • Question 6
    4 / -1

    Polyphosphates are used as water softening agents because they

  • Question 7
    4 / -1

    Hydrogen peroxide when added to a solution of KMnO4 acidified with H2SO4

  • Question 8
    4 / -1

    The reagent commonly used to determine hardness of water titrimetrically is

  • Question 9
    4 / -1

    Which of the following could act as a propellant for rockets?

  • Question 10
    4 / -1

    Which one of the following substances has the highest proton affinity?

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