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The density of nitrogen obtained by the ...

The density of nitrogen obtained by the distillation of liquid air is more than that obtained by the decomposition of ammonium nitrate. Why? 

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Ammonium nitrate gives pure nitrogen on decomposition. Nitrogen obtained from liquid air has a heavier impurity argon. Hence, nitrogen obtained from liquid air is denser.
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Knowledge Check

  • The acid obtained by the distillation of ants is called as

    A
    Formalin
    B
    Formic acid
    C
    ethanoic acid
    D
    Both 2 & 3

  • Very pure nitrogen can be obtained by the thermal decomposition of ........

    A
    Barium azide
    B
    Sodium azide
    C
    Either a or b
    D
    None

  • Which of the following is not obtained by fractional distillation of coal tar

    A
    Light oil
    B
    Heavy oil
    C
    Middle oil
    D
    vegetable oil

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