Baking Soda
Baking soda
is a chemical, sodium bicarbonate, also known as bicarbonate
of soda or NaHCO3. It reacts with
acid to produce carbon dioxide gas. Baking soda is used in
baking as a leavening agent, to make cakes, cookies, and
breads rise (expand) by producing little bubbles of carbon
dioxide gas.
Acids commonly used with
baking soda include lemon
juice, buttermilk, vinegar, cocoa
and cream
of tartar.
Baking soda is commonly
included in baking
powder, along with acid and another gas-releasing
chemical that operates only when subjected to heat. Baking
powder loses its leavening power very slowly, unless
exposed to moisture.
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