The pH (potential of Hydrogen) value is from 1 to 14, with 7 as neutral. Values below 7 indicate acidity which increases as the number decreases, 1 being the most acidic.
Read MoreThe pH (potential of Hydrogen) value is from 1 to 14, with 7 as neutral. Values below 7 indicate acidity which increases as the number decreases, 1 being the most acidic.
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