chemical science vs inorganic

chemical science is a noun but inorganic is not a noun.

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

chemical science (noun)	inorganic (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions

chemical science (adjective)	inorganic (adjective)
	relating or belonging to the class of compounds not having a carbon basis
	lacking the properties characteristic of living organisms