2. Sample Papers
  3. 10th Class
  4. Science

10th Class Science Sample Paper Science Olympiad Model Test Paper-5

  • question_answer
    What is the valency of magnesium?

    A) 1

    B) 2

    C) 3

    D) 4

    E) None of these

    Correct Answer: B

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