What are the characteristics of carbon monoxide (CO)?

Carbon monoxide (CO) is characterized as being colorless and odorless, which makes it particularly dangerous. Because it cannot be seen or smelled, individuals may be exposed to high levels of CO without realizing it, leading to a higher risk of carbon monoxide poisoning.

This property of being undetectable by human senses emphasizes the importance of using CO detectors in residential and commercial settings, as they can alert occupants to the presence of this gas before it reaches dangerous levels. Understanding these characteristics is crucial for fire department personnel and for developing protocols for identifying and responding to CO exposure situations safely.

While the other options provide incorrect descriptions, understanding that CO is colorless and odorless helps reinforce the need for vigilance and proper detection mechanisms when dealing with potential CO hazards.