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Old February 13, 2013, 02:29 PM   #25
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Join Date: April 23, 2005
Posts: 461
acid is necessary to create current flow to make a battery.
Not exactly. An electrolyte is necessary to allow current flow to make a battery (and create galvanic corrosion). The only requirement of an a electrolyte is that it be a conducting fluid. Bases work as well as acids, and you can construct neutral electrolytes.

Sea water is a basic electrolyte with a PH around 8. Distilled water and sodium chloride would yield an electrolytic solution with a neutral ph (neither acid nor base)--but it would support galvanic corrosion like no tomorrow!
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