Nitrous oxide is a colourless gas. It has 2 nitrogen atoms & one oxygen atom denoted as N2O. Nitrous oxide is typically used for sedation and pain relief by medical doctors 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 detached and helps burn the cars usual fuel and release more energy.
The nitrous oxide sold here is for food & drink purposes. It is utilised as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol and many other culinary uses.