2. Sample Papers
  3. 9th Class
  4. General Knowledge

9th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-4

  • question_answer
    Nitrogen is a gas and a chemical element. Who discovered it?

    A)  Daniel Rutherford          

    B)  J. Nicolie

    C)  Doisy Dam                   

    D)  Albert Sabin

    E)  None of these

    Correct Answer: A

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