Acids:
Acetic acid (CH3COOH): vinegar, acetate
Acetylsalicylic acid (HOOCC6H4OOCCH3): aspirin
Ascorbic acid (H2C6H6O6): vitamin C
Carbonic acid (H2CO3): soft drinks, seltzer water
Citric acid (C6H8O7): citrus fruits, artificial flavorings
Bases:
Aluminum hydroxide (Al[OH]3): antacids, deodorants
Ammonium hydroxide (NH4OH): glass cleaner
Calcium hydroxide (Ca[OH]2): caustic lime, mortar, plaster
Magnesium hydroxide (Mg[OH]2): laxatives, antacids
Sodium bicarbonate/sodium hydrogen carbonate (NaHCO3): baking soda