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  3. 5th Class
  4. General Knowledge
  5. Our Environment

5th Class General Knowledge Our Environment Question Bank Environment and its Conservation

  • question_answer
    Coal, natural gas, petrol and diesel are source of ______.

    A)  Agrochemicals

    B)  Petrochemicals

    C)  Both (a) and (b)

    D)  None of these

    Correct Answer: B

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