Nitrous oxide is a colourless gas. It has 2 nitrogen atoms & 1 oxygen atom written as N2O. Nitrous oxide is typically 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 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 ordinary petrol and release more energy.
The nitrous oxide available 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 & many other foodcooking uses.