WHMIS 2015 Workplace Safety · Question
What is the main characteristic of a 'Pyrophoric' hazard class?
Pyrophoric liquids or solids are substances that, even in small quantities, can ignite within five minutes of coming into contact with air.
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Question: What is the main characteristic of a 'Pyrophoric' hazard class?
Answer options:
- Substances that explode when dropped ✅ Substances that ignite spontaneously in air within five minutes
- Substances that react violently with water to release flammable gas
- Substances that provide oxygen to a fire
Correct answer: Substances that ignite spontaneously in air within five minutes
Explanation: Pyrophoric liquids or solids are substances that, even in small quantities, can ignite within five minutes of coming into contact with air.
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