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

9th Class Science Sample Paper Science Sample Paper-4

  • question_answer
    Calculate the mass percentage of each element present in water?

    A) H= 22.22% and 0=77.78%         

    B) H = 11.11 % and 0 = 88.89 %

    C) H= 77. 78% and 0=22.22%        

    D) H = 88.89 % and 0 = 11.11 %

    E) None of these

    Correct Answer: B

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