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2015-11-12T21:33:36+05:30

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Specific gravity is a dimensionless quantity; that is, it is not expressed in units.Specific gravity is the density of a substance relative to some reference substance.Specific gravity =density of substance
density of reference substance

example :-Water has a specific gravity equal to 1...
2 5 2
The reference substance is water.
2015-11-12T21:54:22+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Specific gravity is the ratio of density of a substance to density of water. It is a number. It has no units.

For example:
density of mercury is 13600 kg/m³.
density of water is 1000 kg/m³.
Specific gravity of mercury = 13600/1000 = 13.6


1 5 1