Fire Extinguisher Supplier In Cuttack , Odisha Product-Co2 Gas type Fire Extinguishers How does carbon dioxide put out a fire? a gas was produced or chemical reaction occurred. Possible answer: the baking soda and vinegar produced carbon dioxide that put out the fire. fire extinguisher is full of carbon dioxide. When you put the carbon dioxide on a fire, the fire can't get the oxygen it needs to burn, so it goes out.