Distilled water must have covalently bonded substances dissolved in it. Distilled water must have ionicly bonded substances dissolved in it. Tap water must have covalently bonded substances dissolved in it. Tap water must have ionicly bonded substances dissolved in it. No trends or generalities can be found.
Ionic compounds melt at lower temperatures than covalent compounds.
Ionic compounds melt at higher temperatures than covalent compounds. All rights reserved except those which may be granted under Sections 107 and 108 of the Copyright Revision Act of 1976. This document may be freely distributed in its entirety for non-profit purposes provided that the copyright notice is not removed. This document was submitted for posting to the Internet by the State Science Specialist. Any questions concerning content should be directed to that individual.