chemical science vs oxidise

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

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

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

chemical science (verb)	oxidise (verb)
	add oxygen to or combine with oxygen
	enter into a combination with oxygen or become converted into an oxide