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

9th Class Science Sample Paper Science Olympiad Model Test Paper-11

  • question_answer
    Find the number of moles in 128 g of oxygen molecules.

    A) 4

    B) 8

    C) 12

    D) 16

    E) None of these

    Correct Answer: A

    Solution :

    Not Available 


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