Nitrous oxide is a colourless gas. It has 2 nitrogen atoms & 1 oxygen atom shortened as N2O. Nitrous oxide is typically used for sedation & pain relief by medical professionals and dentists. 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 and helps burn the cars usual petrol and release more power.
The nitrous oxide sold on this site is for culinary purposes. It can be used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol & many other foodcooking uses.