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  3. 9th Class
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9th Class Science Sample Paper Science Olympiad Model Test Paper-13

  • question_answer
    A solution contains of alcohol mixed witof water. Calculate the concentration of this solution by volume.

    A) 3.22%

    B) 2.5%

    C) 25%

    D) 77.5%

    E) None of these

    Correct Answer: A

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