Nitrous oxide is a colourless gas. It has 2 nitrogen atoms & one oxygen atom denoted as N2O. Nitrous oxide is typically used for anesthesia & pain relief by medical doctors 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 broken off & helps combust the cars ordinary petrol and release more power.
The nitrous oxide available on this site is for culinary uses. It is used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol and lots of other foodcooking applications.