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N2 is commercially prepared by –

Option: 1

KNO3            


Option: 2

    NaNO3                           


Option: 3

    (NH4)2SO4        


Option: 4

  Fractional distillation of air


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Commercial preparation of nitrogen -

By fractional distillation of liquid air

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Nitrogen (N2 ) is obtained commercially by liquidication and fractional distillation of air.is commercially prepared by fractional distillation of air.

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Shailly goel

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