chemical science vs volatile

chemical science and volatile both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemical science	Yes	No	No	No
volatile	Yes	Yes	No	No

chemical science (noun)	volatile (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	a volatile substance; a substance that changes readily from solid or liquid to a vapor

chemical science (adjective)	volatile (adjective)
	evaporating readily at normal temperatures and pressures
	tending to vary often or widely
	marked by erratic changeableness in affections or attachments
	liable to lead to sudden change or violence