Of the five,which is not a physical property?

A

Color

B

Phase

C

Odor

D

Boiling point

E

Reactivity with oxygen

Physical properties can be observed or measured without changing the composition of matter. Chemical properties of matter describes its potential to undergo some chemical change or reaction by virtue of its composition. Color, phase, odor and boiling point are the physical properties. Reactivity with oxygen depends on the chemical nature of object, thus, it is not a physical property. It is a chemical property.