Odorants must be volatile to be smelled?

Answer 1

are hair cells in the cochlea ever replaced

Answer 2

Yes, odorants need to be volatile in order to be smelled. This means that they must have the ability to evaporate into the air so that they can be detected by the olfactory receptors in the nose. Non-volatile substances cannot reach the olfactory receptors and therefore cannot be smelled.

Answer 3

would water be one because it has no smell and it evaporates at normal temperatures??

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As illustrated by the first answer - yes. Our noses don't detect ALL gases as smells and if we can't smell it it, by definition, doesn't have an odor. That is not to say it can't be detected in the gas phase, just that our noses can't do it.

Answer 4

Volatile substances are carbon based chemicals that easily evaporate at room temperatures. As it evaporate mostly volatile substances have odor.

Answer 5

Of course. The Human nose cannot detect every scent, and there are far too many compounds that we can't smell everyone.

Answer 6

"Volatile liquid" simply means that it evaporates easily. Some such liquids may have a pleasant smell, others may have an unpleasant smell, others may not smell at all.

Answer 7

Yes.