Nitrous oxide is a colourless gas. It has dual nitrogen atoms and a single oxygen atom denoted as N2O. Nitrous oxide is commonly used for anesthesia and 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 fuel 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 here 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 & many other culinary applications.