Assertion: iron | /r/CapableOf | react with oxygen
Facets:
value: readily
type: MANNER
value: in air
type: LOCATION
value: to give brown
type: PURPOSE
Source sentences:
text: However, iron reacts readily with oxygen and water to give brown to black hydrated iron oxides, commonly known as rust.
text: It readily combines with oxygen in moist air.
text: Iron reacts easily with the oxygen in air, creating iron oxide or rust that will cause parts to fail, so it is often coated to prevent surface rust.