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

9th Class Science Sample Paper Science Olympiad Model Test Paper-2

  • question_answer
    What is the atomic number of potassium?

    A) 17

    B) 18

    C) 19

    D) 20

    E) None of these

    Correct Answer: C

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