Physical properties refer to the properties which measured or observed without altering the composition of matter.
They include properties like:
Texture
Appearance
Odor
Color
Boiling point
Melting point
Density
Solubility
Polarity et cetera.
In contrast, chemical properties refer to the properties which are observed during a chemical reaction of the substance. For example, reaction with oxygen, reaction with acid or base, pH et cetera.
