Nitrous oxide is a colourless gas. It has dual nitrogen atoms & 1 oxygen atom denoted as N2O. Nitrous oxide is usually used for sedation & 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 low temperatures. However, when super heated the oxygen is release & helps combust the cars usual fuel and release more energy.
The nitrous oxide available here is for cooking purposes. It is utilised as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol and lots of other foodcooking applications.