Question

Physical and chemical properties of a compound are usually what?

Answer 1

Physical properties are properties that do not change the chemical nature of matter.
For example: color, boiling point, viscosity, density etc.
And chemical properties are properties that do change the chemical nature of matter.
Examples are PH, flammability, reactivity with water etc.

Answer 2

http://www.iun.edu/~cpanhd/C101webnotes/matter-and-energy/properties.html