chlorine water vs solution

chlorine water and solution both are nouns.

Word	Noun	Adjective	Verb	Adverb
chlorine water	Yes	No	No	No
solution	Yes	No	No	No

As nouns, solution is a hypernym of chlorine water; that is, solution is a word with a broader meaning than chlorine water:

chlorine water: an aqueous solution of chlorine used as a bleaching agent
solution: a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution

Other hypernyms of chlorine water include blanching agent, bleach, bleaching agent, whitener.

chlorine water (noun)	solution (noun)
an aqueous solution of chlorine used as a bleaching agent	the successful action of solving a problem
	a method for solving a problem
	a statement that solves a problem or explains how to solve the problem
	the set of values that give a true statement when substituted into an equation
	a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution