Answer :
Final answer:
Carbon dioxide (CO2) fire extinguishers are primarily used on flammable liquids and fall under the Class B category. They work by displacing oxygen and reducing its levels to suppress the flames.
Explanation:
The carbon dioxide (CO2) fire extinguisher is primarily used on flammable liquids and is classified as a Class B fire extinguisher. Class B fire extinguishers are designed to extinguish fires involving flammable liquids, such as gasoline, oil, and grease. The carbon dioxide in the extinguisher works by displacing the oxygen around the fire, reducing the oxygen levels and suppressing the flames.
