Multiple choice

Which out of the following is not an essential requirement to produce fire?

  1. Carbon dioxide

  2. Fuel

  3. Oxygen

  4. Heat

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The fire triangle requires three essential components: fuel, oxygen (or an oxidizing agent), and heat. These three must be present for fire to exist. Carbon dioxide is NOT required for fire - in fact, it's used to extinguish fires by displacing oxygen.

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