2. Sample Papers
  3. Railways
  4. General Science & Technology
  5. Pollution of Air and Water

Railways General Science & Technology Pollution of Air and Water Sample Paper Air Pollution Sample Test Paper-20

  • question_answer
    The major photochemical oxidant is:

    A)  Ozone

    B)  Hydrogen peroxide

    C)  Nitrogen oxides

    D)  Peroxyl Acetyl Nitrate (PAN)

    Correct Answer: C

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