gasification vs chemical change

gasification and chemical change both are nouns.

Word	Noun	Adjective	Verb	Adverb
gasification	Yes	No	No	No
chemical change	Yes	No	No	No

As nouns, chemical change is a hypernym of gasification; that is, chemical change is a word with a broader meaning than gasification:

gasification: the process of changing into gas
chemical change: (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved

Other hypernyms of gasification include chemical action, chemical process.

gasification (noun)	chemical change (noun)
the process of changing into gas	(chemistry) any process determined by the atomic and molecular composition and structure of the substances involved