Question

Define relative density and state the methods used for finding relative density, also state the relative density of some substances.

Answer 1

Its the density of a substance wrt to another substance.


relative density =
density of the substance/density of reference substance

2 types

1) specific gravity =
{density of liquid or solid in (g/ml) } / density of water at 4°C(1 g/ml)

2)vapour density = density of gas/ density of Hydogen gas