Nitrous oxide is a colourless gas. It has two nitrogen atoms & a single oxygen atom written as N2O. Nitrous oxide is usually used for sedation & pain relief by medical doctors & dentists. It has also been misused by people for recreational purposes.
Another use for nitrous oxide gas is as a fuel booster in cars. Nitrous oxide is not flammable at low temperatures. However, when super heated the oxygen is release and helps burn the cars ordinary fuel and release more energy.
The nitrous oxide sold here is for cooking purposes. It can be utilised as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other foodcooking uses.