Which NFPA 704 color indicates instability hazards?

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Multiple Choice

Which NFPA 704 color indicates instability hazards?

Explanation:
NFPA 704 communicates hazards with a diamond that has four colored fields. Instability (reactivity) hazards are shown in the yellow field. The blue field covers health hazards, the red field covers flammability hazards, and the white field notes special hazards like oxidizers or water reactivity. Each field can carry a number from 0 to 4 to indicate severity, with higher numbers meaning greater hazard. Since instability relates to how a substance may react under certain conditions, the yellow color is the one that signals that risk.

NFPA 704 communicates hazards with a diamond that has four colored fields. Instability (reactivity) hazards are shown in the yellow field. The blue field covers health hazards, the red field covers flammability hazards, and the white field notes special hazards like oxidizers or water reactivity. Each field can carry a number from 0 to 4 to indicate severity, with higher numbers meaning greater hazard. Since instability relates to how a substance may react under certain conditions, the yellow color is the one that signals that risk.

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