Which statement is true about Class 2 gases?

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Multiple Choice

Which statement is true about Class 2 gases?

Explanation:
Class 2 gases encompass a range of hazards, not just toxicity. They can be flammable, non-flammable, poisonous, or corrosive, depending on the gas. This mixture of hazard types is why the statement describing multiple possible classifications is true—the category covers gases with different risk profiles, from those that ignite to those that poison or damage tissues and materials. The other statements don’t fit: some Class 2 gases are toxic, so they are not always non-toxic; gases aren’t classified by color, but by their hazard type; and many gases are stored under pressure in cylinders, so they are not "never stored under pressure."

Class 2 gases encompass a range of hazards, not just toxicity. They can be flammable, non-flammable, poisonous, or corrosive, depending on the gas. This mixture of hazard types is why the statement describing multiple possible classifications is true—the category covers gases with different risk profiles, from those that ignite to those that poison or damage tissues and materials.

The other statements don’t fit: some Class 2 gases are toxic, so they are not always non-toxic; gases aren’t classified by color, but by their hazard type; and many gases are stored under pressure in cylinders, so they are not "never stored under pressure."

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