How does a hydrometer work?

1 answer:

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A hydrometer 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

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Acceleration is defined as the rate of change in the speed of a moving body or vehicle typically.

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