Assertion: potassium | /r/CapableOf | react with water vapor
Facets:
value: in the air
type: LOCATION
Source sentences:
text: Because potassium reacts with water vapor in the air, it is usually stored under anhydrous mineral oil or kerosene.
text: Because potassium reacts with water vapor in the air, it is usually stored under anhydrous mineral oil or kerosene.