Question

Define relative density.​

Answer 1

Answer:

Relative density, or specific gravity, is the ratio of the density of a substance to the density of a given reference material. Specific gravity for liquids is nearly always measured with respect to water at its densest; for gases, the reference is air at room temperature

Answer 2

Answer:

The relative density of a substance is defined as the ratio of the density of the substance to the density of water at 4 degree Celsius.