Baking soda is sodium bicarbonate, an acid salt, and its chemical formula is NaHCO3. White fine crystals, less soluble in water than sodium carbonate. It is also an industrial chemical. The solid begins to decompose gradually above 50℃ to form sodium carbonate, carbon dioxide and water, and completely decomposes at 270℃. People usually only know that it can be used to make bread, make soda and make fire extinguishing agents. In fact, it also has the following lesser-known uses.

Baking soda is a weak base and an absorbable antacid. After oral administration, it can quickly neutralize gastric acid, has a rapid effect, is short-lived, and has many disadvantages such as the production of carbon dioxide. As an antacid, it should not be used alone. It is often used together with calcium carbonate or magnesium oxide to form Sibs powder.

Extended information:

In the mass production of steamed buns, fried dough sticks and other foods, soda ash is often melted into water and mixed into the noodles. After heating, it decomposes into sodium carbonate, carbon dioxide and water. The overflow of carbon dioxide and water vapor can make the food more fluffy, and sodium carbonate remains in the food. You can taste it if too much baking soda is added to the steamed buns.

Use baking soda as a deodorant. Mix one cup of baking soda and two tablespoons of starch in a plastic container and apply it to the odor-emitting areas of your body to remove body odor. Baking soda is a mildly abrasive cleaner. Add a little baking soda to toothpaste to neutralize odor and act as a whitening agent. Put a little baking soda in your shoes to absorb moisture and odors.

Reference: Baidu Encyclopedia-Baking Soda