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  3. 9th Class
  4. Science
  5. Atoms and Molecules

9th Class Science Atoms and Molecules Question Bank Self Test-2

  • question_answer
    Find the number of moles in \[12.026\times {{10}^{23}}\] atoms of He.

    A) (a) 1

    B) (b) 2

    C) (c) 3

    D) (d) 4

    E) (e) None of these

    Correct Answer: B

    Solution :

    (b)


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