9th Class Science Sample Paper Science Olympiad Model Test Paper-16

  • question_answer
    What is the molecular mass of water?

    A) 22 u

    B) 19 u

    C) 20 u

    D) 18 u

    E) None of these

    Correct Answer: D


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