2018年5月11日 · Sodium Bicarbonate. Use in antacids. Use in fighting fires. Use in baking. Resources. Sodium bicarbonate (NaHCO 3), also known as baking soda, bread soda, sodium hydrogen carbonate, bicarbonate of soda, and sodium bicarb, is a white powder that readily dissolves in water to produce sodium (Na +) ions and bicarbonate (HCO 3) ions.