Definition: Baking soda is a chemical leavening agent used in baking. When combined with an acid such as buttermilk or lemon juice, it releases carbon dioxide gas, which in turn causes doughs and batters to rise.
Also Known As:
Also see: Baking Soda Vs. Baking Powder
- Sodium bicarbonate
- Bicarbonate of soda
- Sodium bicarb
- Bicarb soda
Also see: Baking Soda Vs. Baking Powder

