4. what two sets of units can be used to describe density? why are they interchangeable? a. b. c.

The density of a material is its unique property. Although the density can be expressed in different scale the density of the same material remains same. The reasons for the inter-changeability of the density are-

a. The density of a material is its unique property.

b. The density usually expressed in terms of CGS or SI unit. In CGS unit it is g/mL and in SI unit it is Kg/L.

c. In both the case if we multiply 1000 to gm it becomes kilogram (Kg) and 1000 unit of mL is liter (L). Thus the value remains same.

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