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Why is odor always classified as a physical property as opposed to a chemical property?
Question Date: 2004-03-01
Answer 1:

Is odor classified as a physical property?
This might be simply as matter of convenience. It is now well known that different molecules have one of several smells. The sensation of smell is produced when the odor-causing molecule binds to certain sites (called receptors) high up in the nose. To a large extent, it is believed that the shapes of molecules control how they smell. This is a very active area of research worldwide.

Answer 2:

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