Nitrous oxide is a colourless gas. It has two nitrogen atoms and one oxygen atom written as N2O. Nitrous oxide is typically used for anesthesia 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 fuel booster in cars. Nitrous oxide is not flammable at lowwer temperatures. However, when super heated the oxygen is broken off & helps combust the cars ordinary fuel and release more energy.
The nitrous oxide sold here is for cooking purposes. It can be used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other culinary applications.