Nitrous oxide is a colourless gas. It has dual nitrogen atoms & one oxygen atom denoted as N2O. Nitrous oxide is typically used for sedation & pain relief by medical professionals & dental professionals. 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 usual fuel and release more power.
The nitrous oxide available here is for culinary uses. It can be used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & many other culinary uses.