Neuralization, acids reacting with bases to form salt & water, hydroxides, pH & colors, relative strengths of acids & bases, examples of acids & bases, acids reacting with metal oxides to form basic oxides, what is a salt, formation of acid rain, removal of acidic oxides, alkalis & formation, videos, balancing equations, acids & carbonates, antacids, test for carbon dioxide, videos. Excellent for classroom teaching with a data projector & for use on mobiles.