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  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Olympiad Model Test Paper-10

  • question_answer
    A solution is prepared by dissolving 80 g of salt in 500 g of water. Find the concentration of the solution.

    A) 10%     

    B) 12.6%

    C) 13.8%

    D) 14.2%

    E) None of these

    Correct Answer: C

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