Nitrous oxide is a colourless gas. It has 2 nitrogen atoms and 1 oxygen atom denoted as N2O. Nitrous oxide is typically 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 petrol booster in cars. Nitrous oxide is not flammable at low temperatures. However, when super heated the oxygen is broken off and helps combust the cars normal petrol and release more energy.
The nitrous oxide available here is for culinary uses. It can be utilised as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol and many other foodcooking applications.