Nitrous oxide is a colourless gas. It has two nitrogen atoms & one oxygen atom denoted as N2O. Nitrous oxide is commonly used for sedation and pain relief by medical professionals & dentists. It has also been misused by people for recreational purposes.
Another use for nitrous oxide gas is as a petrol booster in cars. Nitrous oxide is not flammable at cooler temperatures. However, when super heated the oxygen is detached & 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 & many other foodcooking applications.