Question

what is meant by rusting

Answer 1

the rusting is the process of the destruction of the metal due to environmental factors such as humidity it can be also caused by the factors such as the presence of water around the metal surfaces

eg

when the bicycle kept in the outer space for long time may get rust and the destruction of the metal can be get started

Answer 2

Definition :The reaction of moist air on iron materials .

Cause : Oxidation of Fe to form Fe2O3