Nitrous oxide is a colourless gas. It has two nitrogen atoms and a single oxygen atom shortened as N2O. Nitrous oxide is typically used for sedation and pain relief by medical professionals and dental professionals. 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 cooler temperatures. However, when super heated the oxygen is release & helps combust the cars normal petrol and release more energy.
The nitrous oxide sold here is for cooking purposes. It can be used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & lots of other foodcooking applications.