What is baking soda chemically known as?

• A. Sodium Sulfate
• B. Sodium Bicarbonate
• C. Potassium Bicarbonate
• D. Calcium Carbonate

Answer: (B)

Baking soda is chemically known as sodium bicarbonate, which is the correct answer. Sodium bicarbonate has the formula NaHCO₃ and is a white crystalline solid that often appears as a fine powder. It is commonly used in baking as a leavening agent, helping baked goods rise by producing carbon dioxide gas when it reacts with acids. This reaction not only contributes to the leavening process but can also affect the flavor and texture of the finished product.

The other options listed do not represent baking soda. Sodium sulfate is a different compound entirely, used primarily in glass manufacturing and as a drying agent. Potassium bicarbonate is a viable leavening agent but is not commonly referred to as baking soda, and calcium carbonate is used in various applications but does not serve the same purpose in baking as sodium bicarbonate does. Understanding these distinctions can enhance one’s knowledge of ingredients and their functions in baking.