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

9th Class Science Sample Paper Science Olympiad Model Test Paper-20

  • question_answer
    Who among the following suggested that the symbols of elements be made of one or two letters of the name of the element?

    A) John Dalton

    B) J.J. Berzelius

    C) James Chadwick

    D) Ernest Rutherford

    E) None of these

    Correct Answer: B

You need to login to perform this action.
You will be redirected in 3 sec spinner