Which of the following descriptions aligns with Class 2 gases?

Class 2 gases, also known as compressed gases, encompass a variety of substances that can include flammable, toxic, or non-toxic gases. The description that aligns with Class 2 gases highlights that containers holding these gases can experience a violent rupture under pressure, which poses significant hazards. This can lead them to become either flammable or poisonous, depending on the specific gas in question.

Understanding the properties of Class 2 gases is crucial for safety in controlled environments, such as correctional facilities, as it informs the proper handling, storage, and transport of these gases. This includes recognizing the risks they pose and the necessary precautions needed to prevent accidents or dangerous situations, thus ensuring both personal and public safety in various operations.