Nitrous oxide is a colourless gas. It has dual nitrogen atoms and a single oxygen atom shortened as N2O. Nitrous oxide is usually used for anesthesia & pain relief by medical doctors & dentists. It has also been misused by people for recreational reasons.
Another use for nitrous oxide gas is as a petrol booster in cars. Nitrous oxide is not flammable at low temperatures. However, when super heated the oxygen is release and helps combust the cars ordinary petrol and release more power.
The nitrous oxide available on this site is for food and drink purposes. It is used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol and many other culinary uses.