Nitrous oxide is a colourless gas. It has two nitrogen atoms and 1 oxygen atom written as N2O. Nitrous oxide is usually used for sedation and pain relief by medical doctors & 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 cooler temperatures. However, when super heated the oxygen is release and helps combust the cars ordinary petrol and release more power.
The nitrous oxide available on this site is for cooking uses. It can be used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other culinary uses.