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

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

  • question_answer
    Calculate the mass of \[6.022\times l{{0}^{23}}{{N}_{2}}\] molecules.

    A) 14 g

    B) 28 g

    C) 56 g

    D) 68 g

    E) None of these

    Correct Answer: B

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