Q.

Pycnometer is an instrument used to measure the –

A. Density
B. Intensity of solar radiation
C. Intensity of earthquake
D. High temperatures
Answer» A. Density
Explanation: 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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