Nitrous oxide is a colourless gas. It has dual nitrogen atoms & one oxygen atom written as N2O. Nitrous oxide is typically used for anesthesia and 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 broken off & helps combust the cars usual fuel and release more energy.
The nitrous oxide available here is for food and drink purposes. It can be used as a foaming agent in food and drink, whipping cream, making mousses, infusing flavours into alcohol and lots of other culinary applications.