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    Question

    The coefficient of volume expansion of glycerin  is 49

    × 10-5 K-1. Find the fractional change in its density for a 20°C rise in temperature?
    A 2.45 × 10^−2 Correct Answer Incorrect Answer
    B 98 × 10^-2 Correct Answer Incorrect Answer
    C 0.49 × 10^−2 Correct Answer Incorrect Answer
    D 0.98 × 10^-2 Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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