Ontario Class A Practice Test · Question
A Class 1 driver notices a white placard with a skull and crossbones symbol. What hazard class does this typically represent?
The skull and crossbones symbol is internationally recognized to indicate a toxic or poisonous substance (Hazard Class 6.1).
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Question: A Class 1 driver notices a white placard with a skull and crossbones symbol. What hazard class does this typically represent?
Answer options:
- Flammable Liquids
- Corrosive Substances ✅ Toxic Substances
- Gases
Correct answer: Toxic Substances
Explanation: The skull and crossbones symbol is internationally recognized to indicate a toxic or poisonous substance (Hazard Class 6.1).
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