Common and proper chemical names 1 Helping students learn the common and proper names of a range of common chemicals. Simple drag and drop exercise. Drag the Common names to their Proper names Hydrochloric acid Magnesium sulfate Sodium hydroxide Potassium permanganate Calcium oxide Ascorbic acid Calcium carbonate Potassium hydroxide Sodium bicarbonate Copper sulfate Sulfur Sulfuric acid Mercury Sodium carbonate Impure dilute acetic acid Muriatic acid Epsom salts Caustic soda Condy's crystals Quicklime Vitamin C Chalk and marble Caustic potash Baking soda Bluestone Brimstone Oil of vitrol Quicksilver Washing soda Vinegar