is n2o flammable
Nitrous Oxide, more commonly known and used as laughing gas. At room temperature, it is a colorless non-flammable gas, with a pleasant, slightly sweet odor and taste. It is also used as an oxidizer in rocketry and in motor racing to increase the power output of engines.N2O need not be flammable to be able to do that.ating Newest Oldest. Best Answer: No it is definitely not flammable. However it will relight a glowing wooden splint (as in the test for oxygen) because the heat of the glowing splint decomposes the N2O into nitrogen an oxygen and the oxygen relights the splint.