Question

6. How does carbon dioxide help in extinguishing fire?​

Answer 1

Answer:

Carbon dioxide extinguishes work by displacing oxygen, or taking away the oxygen element of the fire triangle. The carbon dioxide is also very cold as it comes out of the extinguisher, so it cools the fuel as well.

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Answer 2

When sodium bicarbonate (baking soda) is heated, it becomes sodium carbonate. In this process water and carbon dioxide is released.

The CO2 starves the fire of O2. These react to release CO2 which forms a layer over the burning substance and cuts the supply of oxygen to the fire.