Many people think baking powder and baking soda are interchangeable, but they're absolutely not! Although they both help batters and doughs rise, they have different chemical makeups. Baking ...

Alternatively, you could also mark the level of bubbles produced in each cup and time how fast it takes the bubbles to rise in each cup. Place ½ teaspoon of baking soda and ½ teaspoon of baking powder ...