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

9th Class Science Sample Paper Science Olympiad Model Test Paper-15

  • question_answer
    Which one of the following has the highest concentration in sea water?

    A) Calcium chloride

    B) Sodium chloride

    C) Sodium fluoride 

    D) Magnesium sulphate

    E) None of these

    Correct Answer: B

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