Common weak acids include formic, acetic, hydrofluoric, hydrocyanic, citric and trichloroacetic acids. Some weak bases include ammonia, trimethyl ammonia, pyridine, sodium bicarbonate and ammonium hydroxide. Weak acids a... More » Science Chemistry Acids & Bases

Side effects of Obagi Blue Peel include skin discoloration and discomfort, according to Zeel. The product contains trichloroacetic acid, which when used at full strength can cause scarring. More » Beauty & Fashion Skin Care

Treatment for Fordyce spots, such as laser treatment, is purely cosmetic, as explained by Medical News Today. A simpler treatment, according to Patient Help, is a cream or gel, called Tretinoin, or a chemical peel called... More » Health Conditions & Diseases Skin Conditions
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Ammonia, ammonium hydroxide and pyridine are examples of weak chemical bases. A weak base can be identified by the fact that it only partially ionizes when mixed with a water-based solution. The anions of weak acids, whi... More » Science Chemistry Acids & Bases

Strong acids and weak acids are defined by their ability to ionize. Strong acids usually ionize 100 percent in a solution, while a weak acid does not. For example, a strong acid placed in water immediately donates a hydr... More » Science Chemistry Acids & Bases

Neutral substances are chemicals that have no properties of either acids or bases, have equal parts hydrogen and hydronium ions and don't change the color of litmus paper or other acid-base indicators. Neutral substances... More » Science Chemistry Acids & Bases

Pure distilled water has a pH of 7. The pH scale ranges from 0 to 14, with pH levels less than 7 considered acids and pH levels over 7 considered bases. A pH level of 7 is neutral. More » Science Chemistry Acids & Bases