Baking soda, commonly used in households, is also known by its chemical name:

Sodium bicarbonate is the chemical name for baking soda. Its chemical formula is NaHCO3. It is commonly used as a leavening agent in baking. When it reacts with acids in the batter, it releases carbon dioxide gas, which makes the batter rise and become fluffy. Apart from cooking, it is also used for cleaning, deodorizing, and in some medical treatments.