Question

The density of petrol is 700 Kg/m3. Its relative density is _______.
0.7 kg/m3
0.07 Kg/m3
0.07
0.7

Answer 1

Answer:

Relative density, or specific gravity, is the ratio of the density (mass of a unit volume) of a substance to the density of a water.

So, Relativedensity=

Densityofwater

Densityofsubstance

⇒

1000kgm

−3

7100kgm

−3

=7.1