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

9th Class Science Sample Paper Science Olympiad Model Test Paper-6

  • question_answer
    The atomic mass of sodium is 23 u. The number of moles in 46 g of sodium is:

    A) 0

    B) 1

    C) 2

    D) 3

    E) None of these

    Correct Answer: C

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