Sodium hydrogen carbonate is an acid salt formed by neutralizing a strong base and a weak acid. It is weakly alkaline when dissolved in water. It begins to decompose gradually above 127°C to form ...

Sodium carbonate(aka E500) Reacts with citric acid to make CO bubbles. In glass manufacture, sodium carbonate lowers the melting point of the silica. It is also the water softener in detergents.