what is hydrometer and lactometer?????
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Hydrometer is actually the instrument which is used the measure the specific gravity of liquid. ... While the lactometer is a type of the hydrometer specifically used for determining the specific gravity of milk. This is used in order to check the purity of the milk. So basically the lactometer is only used for milk
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hydrometer is
A hydrometer is an instrument used to determine specific gravity. It operates based on the Archimedes principle that a solid body displaces its own weight within a liquid in which it floats. Hydrometers can be divided into two general classes: liquids heavier than water and liquids lighter than water.
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