Nitrous oxide is a colourless gas. It has 2 nitrogen atoms and a single oxygen atom shortened as N2O. Nitrous oxide is typically used for anesthesia & pain relief by medical doctors & dental professionals. It has also been misused by people for recreational reasons.
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 broken off and helps combust the cars ordinary fuel and release more power.
The nitrous oxide available here is for cooking uses. It is utilised as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol and many other foodcooking uses.