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  3. 9th Class
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9th Class Science Sample Paper Science Olympiad Model Test Paper-14

  • question_answer
    A solution contains 50 g of sugar in 450 g of water. Calculate the concentration in terms of mass by mass percentage of the solution.

    A) 20%     

    B) 10%

    C) 25%

    D) 15%

    E) None of these

    Correct Answer: B

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