Nitrous oxide is a colourless gas. It has 2 nitrogen atoms and one oxygen atom written as N2O. Nitrous oxide is usually used for sedation & pain relief by medical doctors and 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 release and helps combust the cars usual fuel and release more energy.
The nitrous oxide available here is for culinary uses. It can be used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol & many other foodcooking uses.