1) Baking Powder: Baking powder is a mixture of baking soda (NaHCO3) and a mild edible acid such as tartaric acid. COOH (CHOH)2 COOH
2) Chemical reaction : When baking powder is heated or mixed in water, the following reaction takes place.
NaHCO3 + H+ → CO3 + H2O + Sodium salt of acid.
3) Carbondioxide produced during the reaction causes bread or cake to rise making them soft and spongy.
