SODIUM HYDROGEN CARBONATE AND SODIUM CARBONATE.
Sodium Carbonate (Na2CO3)
Popularly known as washing soda or soda ash, sodium carbonate is a commercially important compound.
In earlier days, it was obtained from the ash of plants and from natural deposits in India and Egypt.
Manufacture of Sodium Carbonate
Sodium chloride – NaCl (brine solution)
Ammonia – NH3