Science, asked by privatex4156, 1 year ago

How hydrometer is used to measure specific gravity?

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Answered by ppsing

A hydrometer or areometer is an instrument that measures the specific gravity (relative density) of liquids—the ratio of the density of the liquid to the density of water. A hydrometer is usually made of glass, and consists of a cylindrical stem and a bulb weighted with mercury or lead shot to make it float upright.

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