Nitrous oxide is a colourless gas. It has dual nitrogen atoms & one oxygen atom written as N2O. Nitrous oxide is typically used for anesthesia and pain relief by medical professionals & dentists. It has also been misused by people for recreational reasons.
Another use for nitrous oxide gas is as a fuel booster in cars. Nitrous oxide is not flammable at cooler temperatures. However, when super heated the oxygen is release and helps burn the cars normal petrol and release more energy.
The nitrous oxide sold on this site is for cooking purposes. It can be utilised as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other foodcooking uses.