Question

difference b/w density and relative density​

Answer 1

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Mass per unit volume of a substance is called density. i. The ratio between density of a substance and density of water is called relative density. ... Units: Relative density has no units because it is the ratiobetween the similar physical quantities (density).

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Answer 2

Density: Mass per unit volume of a substance is called density.

Density = mass/volume

SI unit of density is Kg/m3

CGS unit of density is g/cm3

Relative density: The ratio between density of a substance and density of water is called relative density.

Density of the substance/density of water at 4°C

Units: Relative density has no units because it is the ratio between the similar physical quantities (density).