Nitrous oxide is a colourless gas. It has two nitrogen atoms and 1 oxygen atom shortened as N2O. Nitrous oxide is commonly used for anesthesia & pain relief by medical doctors and dental professionals. It has also been misused by people for recreational reasons.
Another use for nitrous oxide gas is as a fuel booster in cars. Nitrous oxide is not flammable at lowwer temperatures. However, when super heated the oxygen is detached and helps combust the cars ordinary fuel and release more energy.
The nitrous oxide sold here is for culinary uses. It is used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol and lots of other foodcooking uses.