chemical science vs mixture

chemical science and mixture both are nouns.

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

chemical science (noun)	mixture (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	the act of mixing together
	an event that combines things in a mixture
	any foodstuff made by combining different ingredients
	a collection containing a variety of sorts of things
	(chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)