Hazardous gas refers to any gas that poses a risk to health, safety, or the environment. These gases can be toxic, flammable, or corrosive, and exposure can lead to serious health issues or accidents. Common examples include carbon monoxide, chlorine, and ammonia. Proper handling and storage are essential to minimize risks associated with these substances. Detection and monitoring of hazardous gases are crucial in various industries, including manufacturing, construction, and chemical processing. Safety equipment, such as gas detectors and personal protective gear, helps protect workers from potential exposure. Regulations and guidelines are in place to ensure safe practices when dealing with these dangerous gases.