Nitrous oxide is a colourless gas. It has two nitrogen atoms and 1 oxygen atom shortened as N2O. Nitrous oxide is typically used for sedation & pain relief by medical professionals and dental professionals. It has also been misused by people for recreational reasons.
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 broken off and helps combust the cars normal petrol and release more energy.
The nitrous oxide available on this site is for food and drink uses. It is used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & many other culinary uses.