Nitrous oxide is a colourless gas. It has two nitrogen atoms & 1 oxygen atom denoted as N2O. Nitrous oxide is commonly used for anesthesia & pain relief by medical doctors and 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 lowwer temperatures. However, when super heated the oxygen is detached and helps burn the cars usual fuel and release more energy.
The nitrous oxide available here is for culinary purposes. It is utilised as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other foodcooking applications.