Preparing a soda-acid fire extinguisher
The reaction of acids with metal hydrogen carbonates is used in the fire extinguishers which produce carbon dioxide.i) Take 20 ml of sodium hydrogen carbonate (NaHCO3) solution in a wash-bottle.ii) Suspend an ignition tube containing dilute sulphuric acid in the wash-bottle.iii) Close the mouth of the wash-bottle.iv) Tilt the wash-bottle so that the acid from …