How acidic is acid rain?
March 22nd, 2008 by Admin
Acidity (or alkalinity) is measured on a pH scale which is an abbreviation for its “potential for Hydrogen.” The scale measures a substance’s acidity from zero to 14. Zero would be extremely acidic and 14 is not acidic at all (very basic). Of course, 7 is right in the middle of the scale and is [...]