2. Sample Papers
  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Sample Paper-5

  • question_answer
    Oxides of ___ are released in atmosphere, when fossil fuel is burnt.

    A) Sulphur

    B)                Nitrogen

    C) Uranium             

    D) Both A and B

    E) None of these

    Correct Answer: D

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