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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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

According to Anne Helmenstine, Ph.D of About: Chemistry, bases are the chemical opposite of acids. Bases react with acids to form salts and water. More » Science Chemistry Acids & Bases

Sodium acid pyrosphosphate is a water-soluble chemical used in the food industry to prevent rapid changes in the acidity of a solution when other acids or bases are added. Also known as disodium pyrophosphate, it is used... 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