It is a leavening agent formed by combining an acid with an alkali.
Baking soda is mixed with a mild edible acid-like tartaric acid to make it.
Its chemical name is sodium hydrogen carbonate and has the chemical formula. Sodium bicarbonate is another name for it.
The primary function of tartaric acid in baking powder is to neutralize the sodium carbonate created by baking powder, hence preventing the bitter taste.
Baking powders contain acids, bases, and buffering agents to prevent an acid-base reaction from forming too quickly.
It is used to give baked items more volume and a lighter texture. Carbon dioxide gas is released into a batter or dough as a result of an acid-base reaction, causing bubbles in the moist liquid to expand and leave the item.
Therefore, two constituents of baking powder are baking soda and tartaric acid.