Paper 1 · People, Development and Environment
The best extinguisher for flammable materials, which takes away the oxygen element of the fire triangle, is
AWater
BSO2
CCO2 ✓ Correct
DCO
Correct answer: (C) CO2 — Carbon dioxide is the best such extinguisher, so that is the answer.
Explanation
★Carbon dioxide is the best such extinguisher, so that is the answer.
★A fire needs fuel, heat and oxygen, the fire triangle.
★Carbon dioxide blankets the fire and cuts off its oxygen.
★Without oxygen the fire cannot continue.
★So carbon dioxide is the best extinguisher for flammable materials.
★So the answer is CO2.
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