Explanation:
A physical property is a property of a matter that can be observed without changing the chemical identity of the matter.
A chemical property is one that may be observed when it undergoes a chemical change or reaction.
(a) the boiling point of ethyl alcohol - Physical Property
(b) the temperature at which dry ice sublimes (turns from a solid into a gas) - Physical Property
(c) the flammability of ethyl alcohol - Chemical Property
(d) the smell of perfume - Physical Property
