Profile
Settings
Refer your friends
Sign out
Sodium bicarbonate and sulphuric acid are used in soda-acid fire extinguishers. It is the most powerful fire extinguisher for use in the home. It consists of a strong iron vessel with a discharge nozzle on the side. The iron vessel is filled with a sodium bicarbonate solution.
Working
Any fire extinguisher’s operation is predicated on the following three conditions:
- the flammable substance is cooled below its ignition temperature
- cutting off the air supply and,
- cooling the flammable material at the same time
The following reaction takes place.
2NaHCO3+ H2SO4Na2SO4+ 2H2O + 2CO2
