Which gas is used to extinguish fire?

A. Nitrous Oxide B. Methane C. Carbon Dioxide D. Carbon Dioxide & Nitrous Oxide Carbon dioxide (CO2) is used in some hand-held extinguishers and in fixed systems to displace oxygen and smother the fire. CO2 is used in some dry chemical (powder) hand-held and wheeled extinguishers as a propellant to expel the agent (dry chemical) … Read more