Nitrous oxide is a colourless gas. It has two nitrogen atoms & a single oxygen atom denoted as N2O. Nitrous oxide is typically used for sedation and pain relief by medical doctors and 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 broken off & helps combust the cars ordinary petrol and release more energy.
The nitrous oxide available here is for cooking purposes. It can be utilised as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other culinary uses.