What is the NFPA symbol for a strong oxidizer?

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Multiple Choice

What is the NFPA symbol for a strong oxidizer?

Explanation:
NFPA 704 uses a white square for special hazards, and the letters there tell you what extra risk to watch for. The abbreviation for an oxidizer is “OX,” which flags substances that release oxygen and can greatly accelerate burning. A strong oxidizer poses a higher risk of ignition or explosion when it encounters fuels or reducing agents, so marking it as “OX” communicates the need for careful storage and handling with appropriate precautions. The other strings aren’t standard NFPA 704 indicators for oxidizers, so they wouldn’t be used on the hazard diamond.

NFPA 704 uses a white square for special hazards, and the letters there tell you what extra risk to watch for. The abbreviation for an oxidizer is “OX,” which flags substances that release oxygen and can greatly accelerate burning. A strong oxidizer poses a higher risk of ignition or explosion when it encounters fuels or reducing agents, so marking it as “OX” communicates the need for careful storage and handling with appropriate precautions. The other strings aren’t standard NFPA 704 indicators for oxidizers, so they wouldn’t be used on the hazard diamond.

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