Which of the following is listed as a Hazard Class 3 material in the example?

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Multiple Choice

Which of the following is listed as a Hazard Class 3 material in the example?

Hazard Class 3 covers flammable liquids—substances that can produce ignitable vapors and catch fire at relatively low temperatures. In the example set, gasoline fits this class because it is a volatile liquid with a low flash point, meaning its vapors can ignite easily. The other items illustrate different behaviors: black powder is an explosive, ammonium nitrate is typically an oxidizer or an explosive depending on formulation, and magnesium is a flammable solid. Ammunition often contains energetic material classified as explosives. So gasoline is the one listed as Hazard Class 3.

Hazard Class 3 covers flammable liquids—substances that can produce ignitable vapors and catch fire at relatively low temperatures. In the example set, gasoline fits this class because it is a volatile liquid with a low flash point, meaning its vapors can ignite easily. The other items illustrate different behaviors: black powder is an explosive, ammonium nitrate is typically an oxidizer or an explosive depending on formulation, and magnesium is a flammable solid. Ammunition often contains energetic material classified as explosives. So gasoline is the one listed as Hazard Class 3.

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