Practice question

If a tank vehicle carries UN 1789 Hydrochloric Acid (Class 8 corrosive), which hazard placard must be displayed on both sides and rear of the tank?

  1. Class 6.1 placard (skull and crossbones)
  2. Class 8 placard (corrosive symbol: liquids spilling from tubes onto hand and metal)
  3. Class 3 placard (flame symbol)
  4. Class 5.1 placard (flame over circle)

Answer: B — Class 8 placard (corrosive symbol: liquids spilling from tubes onto hand and metal)

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