Assertion: potassium nitrate | /r/ObjectUse | used in gunpowder
Facets:
value: by itself
type: MANNER
Source sentences:
text: Although potassium nitrate is used in gunpowder, by itself, potassium nitrate is not combustible or flammable.
text: Potassium nitrate, for example, is used in gunpowder, fireworks, and rocket fuel, while nitric acid (also used in rocket fuel) and sulfuric acid are highly corrosive.