Nitrous oxide is a colourless gas. It has 2 nitrogen atoms & one oxygen atom shortened as N2O. Nitrous oxide is typically used for sedation and pain relief by medical professionals & dental professionals. 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 fuel and release more power.
The nitrous oxide available here is for food and drink uses. It can be used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol & many other culinary applications.