Answer: Odor
Explanation:
Odor has been discussed here. The physical property which is discussed is floral and sweet. It defines the smell which is being observed and described.
It is a volatile compound which is found in low concentration. It is so strong that is detected even if is found in very low concentration.It is perceived by the sense of smell.
An odor is also known as the scent or smell which can be even pleasant or unpleasant.