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| Definition Of: | |||||||||||||
acid
a substance that has a pH of less than 7, which is neutral. Specifically, an acid has more free hydrogen ions (H+) than hydroxyl ions (OH-).
See also: organic matter , commercial water use , sedimentation tanks , polychlorinated biphenyls (PCBs) , point-source pollution |
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Glossary of water terms INDEX:List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 A: Page 1 of 1.
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