How is baking powder formed ? List any two uses of baking powder.

Explanation

For making baking powder, a mild edible acid such as tartaric acid is added to baking soda (sodium hydrogen carbonate). This mixture is baking soda.
when baking powder is heated or mixed in water, the following reaction takes place -
`NaHCO_(3) + H^(+) rarr CO_(2) + H_(2)O +` Sodium salt of acid (Drom any acid)
Uses of baking powder.
(a) Carbon dioxide produced during the reaction causes bread or cake to rise making the soft and spongy.
(b) It is also an ingredient in antacids. Being alkaline, it neutralises excess acid in the stomach and provides relief.
(c ) It is also used in soda-acid fire extinhuishers.