Fragrance chemicals include limonene (citrus smell) and alpha pinene (pine smell ... 2 molecules of limonene released in the air, 1 molecule of formaldehyde is formed. And it isn’t a chemical ...

For example, limonene and ... hold the atoms in a molecule together, ozone can eliminate smells. Ozone generators are commonly used after a fire to get rid of the smell of smoke but should not ...