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

9th Class Science Sample Paper Science Olympiad Model Test Paper-1

  • question_answer
    What is the atomic mass of \[HN{{O}_{3}}\]if the atomic mass of H is 1u, N is 14 u and O is 16 u?

    A)  66 u                

    B)  63 u

    C)  50 u                

    D)  70 u

    E)  None of these

    Correct Answer: B

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