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  3. 7th Class
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7th Class Science Sample Paper Science Olympiad Model Test Paper-20

  • question_answer
    A soil sample weighing 150 g is dried completely by keeping it in sunshine. The mass of the dried soil is 135 g. Calculate the percentage of water in the given sample of soil.

    A) 8%

    B) 9%

    C) 10%

    D) 11%

    E) None of these

    Correct Answer: C

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