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Which substance is used as a foaming agent in fire extinguisher?

Question: Which substance is used as a foaming agent in fire extinguisher?
  • A. Nitrous Oxide
  • B. Methane
  • C. Aluminium hydroxide ✓
  • D. Carbon Monoxide
Correct Answer: C. Aluminium hydroxide
Explanation: Used to create foam for suppressing fire, especially in Class B fires.

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