2. Questions Bank
  3. 8th Class
  4. Science
  5. Pollution of Air and Water

8th Class Science Pollution of Air and Water Question Bank Pollution of Air and Water

  • question_answer
    Incomplete burning of petrol and diesel in vehicles leads to form which gas?

    A) Methane                       

    B) Ozone

    C) Nitrogen

    D)        Carbon monoxide

    E) None of these

    Correct Answer: D

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