Nitrous oxide is a colourless gas. It has 2 nitrogen atoms & a single oxygen atom denoted as N2O. Nitrous oxide is commonly used for sedation & pain relief by medical professionals & 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 burn the cars usual petrol and release more power.
The nitrous oxide available on this site is for food and drink uses. It is used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol and lots of other culinary applications.