Which type of substances have a flash point less than 100°F (38°C)?

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Multiple Choice

Which type of substances have a flash point less than 100°F (38°C)?

Explanation:
Flash point is the minimum temperature at which a liquid’s vapors can form an ignitable mixture with air. Substances with a flash point below 100°F are classified as flammable liquids, which is why this option is the best match for the question. Gases don’t have a flash point; their hazards are described by flammable limits rather than flash point. Aerosols can be flammable, but their classification isn’t defined solely by a flash point below 100°F, and solids don’t have a flash point either.

Flash point is the minimum temperature at which a liquid’s vapors can form an ignitable mixture with air. Substances with a flash point below 100°F are classified as flammable liquids, which is why this option is the best match for the question. Gases don’t have a flash point; their hazards are described by flammable limits rather than flash point. Aerosols can be flammable, but their classification isn’t defined solely by a flash point below 100°F, and solids don’t have a flash point either.

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