Are All Baking Powder Double Acting?

To clarify, double-acting baking powder is “regular” baking powder. Single-acting baking powder exits, but when a recipe calls for baking powder it means double-acting. And even if a recipe does call for single-acting, you can substitute double-acting without worrying about it changing the recipe.

Is there a difference between baking powder and double-acting baking powder?

What is the difference between double acting and single acting baking powders? ... In a single action product, such as baking soda, once exposed to moisture, it reacts once. In a double action product, such as baking powder, the products reacts once when it is exposed to moisture and then again when exposed to heat.

How do I know if my baking powder is double acting?

And really, the difference between double-acting and single-acting baking powder comes down to which type of acid is paired with the alkaline baking soda to make baking powder. A double-acting baking powder will react and create gas bubbles twice: once when added to liquid, and again when exposed to heat.