Practice question

What does the hazard identification number "X88" represent on an orange plate?

  1. Highly corrosive substance, reacting dangerously with water
  2. Highly flammable liquid, reacting dangerously with water
  3. Highly toxic substance, reacting dangerously with water
  4. Radioactive substance, reacting dangerously with water

Answer: A — Highly corrosive substance, reacting dangerously with water

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