Sodium bicarbonate , also known as baking soda, is used to relieve heartburn, sour stomach, or acid indigestion by neutralizing excess stomach acid.  In food product use it to make food fluffy and crispy, and also has the effect of beautifying cakes; softening foods. In medicine, baking soda is also used to neutralize acid to treat stomach pain; used as a mouthwash or used directly on teeth to remove plaque and whiten... Used to clean kitchen utensils, clean areas that need cleaning thanks to its abrasive properties, react with some substances (sedimentation), sprinkle in areas around the house to prevent some types of insects. Used to create foam and increase pH in effervescent drugs (eg headache medicine, etc.). Also used in wastewater treatment, in health care and beauty applications. Alkalinity enhancer, pH stabilizer for shrimp aquaculture ponds.