Nitrous oxide is a colourless gas. It has dual nitrogen atoms & 1 oxygen atom denoted as N2O. Nitrous oxide is typically used for anesthesia & pain relief by medical professionals and dentists. It has also been misused by people for recreational purposes.
Another use for nitrous oxide gas is as a petrol booster in cars. Nitrous oxide is not flammable at cooler temperatures. However, when super heated the oxygen is release & helps burn the cars ordinary fuel and release more power.
The nitrous oxide sold on this site is for cooking purposes. It can be used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other culinary uses.