Acids
Acetic acid in vinegar, used in cooking - CH₃COOH
Citric acid in lemons and oranges - C₆H₈O₇
Carbonic Acid in soft drinks - H₂CO₃
Bases
Sodium Hypochlorite is found in bleach - NaClO
Sodium Hydroxide found in drain cleaners - NaOH
Sodium bicarbonate, also known as baking soda which is used in cooking - NaHCO₃