Nitrous oxide is a colourless gas. It has dual nitrogen atoms and a single oxygen atom shortened as N2O. Nitrous oxide is commonly used for sedation and pain relief by medical professionals and 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 & helps combust the cars ordinary fuel and release more power.
The nitrous oxide sold here is for culinary purposes. It is used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol and lots of other culinary uses.