adsorb vs chemical science

adsorb is not a noun while chemical science is a noun.

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

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

adsorb (verb)	chemical science (verb)
accumulate (liquids or gases) on the surface