pH is a rough measure of the acidity of a solution. The "p" stands for "potenz" (this means the potential to be) and the "H" stands for Hydrogen.
The pH of distilled water is 7, this is neutral. Any solution with a pH below 7 (i.e. pH 1.0 to pH 6.9) is an acid and any solution with a pH above 7 (i.e. pH 7.1 to pH 14) is an alkali.
Matt: WRONG
Record: 101-77
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