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NEET-XII-Chemistry

Previous Year Paper year:2018

with Solutions - page 2
  • #75
    Which oxide of nitrogen is not a common pollutant
    introduced into the atmosphere both due to natural
    and human activity ?
    (1) ``\ce N2O5``
    (2) ``NO_2``
    (3) ``N_2O``
    (4) NO
    digAnsr:   1
    Ans : (1)
    Sol. Nitrous oxide (N2O) occurs naturally in environment.
    In automobile engine, when fossil is burnt dinitrogen
    & dioxygen combine to yield NO & NO2.