Which label color warns of highly pressurized gases such as nitrogen or carbon dioxide?

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Multiple Choice

Which label color warns of highly pressurized gases such as nitrogen or carbon dioxide?

Green is used on hazard labels to signal a gas stored under pressure. Highly pressurized gases like nitrogen or carbon dioxide are kept in cylinders, and the green marking helps you recognize this specific risk at a glance so you can handle, secure, and store the cylinder properly—using appropriate regulators, keeping the cylinder upright, and ensuring good ventilation to avoid asphyxiation hazards. In many safety labeling schemes, red is tied to flammability, blue to health hazards, and yellow to reactivity, so green specifically points to the compressed gas category.

Green is used on hazard labels to signal a gas stored under pressure. Highly pressurized gases like nitrogen or carbon dioxide are kept in cylinders, and the green marking helps you recognize this specific risk at a glance so you can handle, secure, and store the cylinder properly—using appropriate regulators, keeping the cylinder upright, and ensuring good ventilation to avoid asphyxiation hazards. In many safety labeling schemes, red is tied to flammability, blue to health hazards, and yellow to reactivity, so green specifically points to the compressed gas category.

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