Assertion: nitric acid | /r/HasProperty | manufactured
Facets:
value: by heating concentrated sulphuric acid
type: MANNER
value: from ammonia
type: OTHER
Source sentences:
text: Nitric acid is manufactured from ammonia and is a key chemical in the manufacture of fertilizers.
text: Nitric Acid can be manufactured by heating concentrated sulphuric acid with potassium nitrate.