Baking powder and baking soda are both leavening, or rising, agents. They contain different ingredients and have different uses. Baking soda is sodium bicarbonate. Baking powder is sodium bicarbonate ...

Baking soda reacts with an acid to cause batters and doughs to rise and spread while baking. Baking powder reacts with liquid and heat to create a light, fluffy texture in baked goods. While they ...