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    Question

    Pycnometer is an instrument used to measure the –

    A Density Correct Answer Incorrect Answer
    B Intensity of solar radiation Correct Answer Incorrect Answer
    C Intensity of earthquake Correct Answer Incorrect Answer
    D High temperatures Correct Answer Incorrect Answer

    Solution

    A gas pycnometer is a laboratory device used for measuring the density — or more accurately the volume — of solids, be they regularly shaped, porous or non-porous, monolithic, powdered, granular or in some way comminuted, employing some method of has displacement and the volume-pressure relationship known as Boyle's Law.

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