China (Mainland)
Sodium bicarbonate (Sodium Bicarbonate), commonly known as "baking soda", "soda", "re-Cao", a white small crystals, the solubility in water than sodium carbonate. Solid above 50 ℃ produce sodium carbonate began to decompose, carbon dioxide and water, 270 ℃ when the complete decomposition. Sodium bicarbonate is a strong base and weak acid during and after the resulting acid salt, soluble in water, rendered alkaline. Often take advantage of this feature as a food production process in the leavening agent. Sodium bicarbonate sodium carbonate in the role of the residue after the use of too much alkali will have finished flavor.