Phosphorus is an example of which hazard category?

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Prepare for your Hazardous Materials Awareness Army 74D Test. Study with interactive questions and detailed explanations, ensuring you're ready for your exam day. Master the material with confidence.

Multiple Choice

Phosphorus is an example of which hazard category?

Explanation:
Spontaneously combustible solids are materials that can ignite in air at room temperature without an external ignition source. Phosphorus, especially white phosphorus, is the classic example because it readily reacts with oxygen in the atmosphere and can ignite on contact with air. This sets it apart from the others listed: chlorine is a toxic gas, while acetone and diesel are flammable liquids that require a flame or heat source to ignite. So phosphorus fits the category of spontaneously combustible solids.

Spontaneously combustible solids are materials that can ignite in air at room temperature without an external ignition source. Phosphorus, especially white phosphorus, is the classic example because it readily reacts with oxygen in the atmosphere and can ignite on contact with air. This sets it apart from the others listed: chlorine is a toxic gas, while acetone and diesel are flammable liquids that require a flame or heat source to ignite. So phosphorus fits the category of spontaneously combustible solids.

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