Answers

2016-04-05T22:08:02+05:30
Density is the mass per unit volume and Relative density is ratio of mass of any volume of the substance to the mass of an equal volume of water
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2016-04-06T11:11:17+05:30
Density is defined as the mass per unit volume.
Relative density is defined as the ratio of density of a substance to the density of water . Here  water is taken as the relative substance.
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