What color diamond denotes special hazards with specific symbols?

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Multiple Choice

What color diamond denotes special hazards with specific symbols?

Explanation:
Special hazards are shown in the white area of the NFPA 704 hazard diamond. This white section is reserved for any extra caution signals, and the symbols or letters inside indicate the specific hazards, such as oxidizers (OX), acids (ACID), alkalis (ALK), or water‑reactive (W). The other colors signal broad hazard categories—blue for health, red for flammability, and yellow for instability—so they do not carry these special-symbol indicators.

Special hazards are shown in the white area of the NFPA 704 hazard diamond. This white section is reserved for any extra caution signals, and the symbols or letters inside indicate the specific hazards, such as oxidizers (OX), acids (ACID), alkalis (ALK), or water‑reactive (W). The other colors signal broad hazard categories—blue for health, red for flammability, and yellow for instability—so they do not carry these special-symbol indicators.

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