How is Nitrous Oxide (N₂O) stored?

Nitrous Oxide (N₂O) is primarily stored in high-pressure cylinders where it exists in both liquid and gaseous states. The state of Nitrous Oxide in the cylinder is dependent on the temperature; at room temperature, Nitrous Oxide is stored as a liquid under pressure, while in a lower temperature environment, it can be present in a gaseous state as well.

The design of the storage cylinder allows for safe handling and transport of Nitrous Oxide, facilitating easy access for medical use. Understanding this storage method is crucial, especially in clinical settings, as it impacts the delivery and administration of the gas.

The other options fail to accurately describe the storage conditions of Nitrous Oxide. It is not confined solely to small cylinders or dissolved in oxygen tanks, nor is it stored in liquid thermoses, which would not provide the necessary pressurization for keeping the gas in a liquid state. Recognizing how Nitrous Oxide is stored helps in ensuring safety and proper handling in medical and dental practices where it is frequently utilized as an anesthetic or analgesic agent.