2. Questions Bank
  3. 9th Class
  4. Science
  5. Atoms and Molecules

9th Class Science Atoms and Molecules Question Bank Atoms and Molecules

  • question_answer
    The term ?mole? in chemistry was introduced by who of the following.

    A) Lavosier           

    B) Wilhelm Ostwald

    C) John Dalton      

    D)        Neil Bohr

    E) None of these

    Correct Answer: B

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