2. Questions Bank
  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 52 g of helium.

    A) (a) 12

    B) (B) 11

    C) (c) 13

    D) (d) 14

    E) (e) None of these

    Correct Answer: C

    Solution :

    (c)


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