What has occurred is a chemical reaction. Rusting is a process where iron reacts with oxygen and moisture in the environment, resulting in iron oxide, commonly known as rust. This process involves a change in the chemical composition of the material, indicating that a chemical reaction has taken place.
Ciara’s bike has rusted, which means that the iron in the metal changed to rust.
What has occurred?
an energy formation
an exothermic reaction
a chemical reaction
a precipitate formation
1 answer
1 answer