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  3. 5th Class
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5th Class Science Sample Paper Science Olympiad Model Test Paper-12

  • question_answer
    Which of the following is not a pollutant?

    A) Lead oxide                    

    B) Sulphur dioxide

    C) Water vapour    

    D) Nitrogen dioxide

    E) None of these

    Correct Answer: C

    Solution :

    Not Available  


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