Question

Which component of air is commonly used in fire extinguishers and why? (3 marks)

Answer 1

1. Carbon dioxide is a gas that is most widely used in fire extinguishers. (1 mark)
2. Carbon dioxide extinguishes work by displacing oxygen, or taking away the oxygen element of the fire. (1 mark)
3. The carbon dioxide is also very cold as it comes out of the extinguisher, so it cools the fuel as well. (1 mark)