Nitrous oxide is a colourless gas. It has 2 nitrogen atoms & one oxygen atom denoted as N2O. Nitrous oxide is commonly 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 lowwer temperatures. However, when super heated the oxygen is release and helps burn the cars usual petrol and release more power.
The nitrous oxide sold here is for cooking purposes. It is used as a foaming agent in food & drink, whipping cream, making mousses, infusing flavours into alcohol & many other foodcooking applications.