Practice question

In Ontario, what does the WHMIS pictogram depicting a flame over a circle signify?

  1. Explosive materials (materials that can explode due to heat, shock, or friction)
  2. Oxidizing hazards (materials that can cause or contribute to the combustion of other materials)
  3. Pyrophoric materials (materials that ignite spontaneously in air)
  4. Flammable materials (materials that can easily ignite)

Answer: B — Oxidizing hazards (materials that can cause or contribute to the combustion of other materials)

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