Nitrous oxide is a colourless gas. It has dual nitrogen atoms & 1 oxygen atom written as N2O. Nitrous oxide is commonly used for anesthesia and pain relief by medical doctors & 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 lowwer temperatures. However, when super heated the oxygen is detached & helps combust the cars ordinary fuel and release more energy.
The nitrous oxide sold on this site is for culinary purposes. It is used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & many other culinary uses.