Nitrous oxide is a colourless gas. It has two nitrogen atoms & a single oxygen atom written as N2O. Nitrous oxide is typically used for sedation and pain relief by medical doctors & dentists. 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 cooler temperatures. However, when super heated the oxygen is release and helps combust the cars usual fuel and release more energy.
The nitrous oxide available here is for cooking 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 foodcooking uses.