The differences between baking powder and baking soda are: different properties, different pH values and different uses.

1. Different properties

1. Baking powder: Baking powder is white powder made of baking soda powder with acidic materials and corn flour as filler.

2. baking soda: baking soda, namely sodium bicarbonate, is an inorganic salt with a white crystalline powder.

2. Different pH values

1. Baking powder: After precise detection, acid powder (such as tower powder) is added to balance its pH value, so it is neutral powder.

2. Baking soda: Baking soda is an alkaline substance. Too much use will make the finished product have an alkaline taste.

3. Different uses

1. Baking powder: Baking powder is mainly used for rapid fermentation of grain products. In the production of cakes, cakes, steamed buns, steamed bread, shortbread, bread and other foods, the dosage is large.

2. Baking soda: Baking soda is used as a leavening agent for making biscuits, cakes, steamed bread and bread.