Le site de vulgarisation scientifique de l’Université de Liège. ULg, Université de Liège
Oxidation

A chemical reaction over the course of which a substance loses one or more electrons to the benefit of another called an oxidizing agent. The name of the reaction is due to the fact that it is often oxygen (from the air in particular) which is the oxidising agent. It is for example this phenomenon which is responsible for the appearance of a brown colour on a peeled apple or gives oils a rancid taste.

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