Practice question

What does Hazard Identification Number 'X80' signify on a tank vehicle carrying chemical waste?

  1. Toxic substance emitting corrosive vapors when heated
  2. Highly flammable corrosive substance
  3. Radioactive corrosive material
  4. Corrosive substance which reacts dangerously with water

Answer: D — Corrosive substance which reacts dangerously with water

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