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Q: What is the relative density equal to-
  • A. Water density / Density of substance
  • B. Density of the components of a substance / Density of absolute matter
  • C. Density of substance / density of water
  • D. Material Density / Oil Density
Correct Answer: Option C - The relative density of a substance taken as the ratio of the density of that substance to the density of water. Hence, Relative density = density of material / density of water. There is no unit of relative density.
C. The relative density of a substance taken as the ratio of the density of that substance to the density of water. Hence, Relative density = density of material / density of water. There is no unit of relative density.

Explanations:

The relative density of a substance taken as the ratio of the density of that substance to the density of water. Hence, Relative density = density of material / density of water. There is no unit of relative density.