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WHMIS 2015 Workplace Safety · Question

A substance that may catch fire spontaneously when exposed to air (Pyrophoric) would be labelled with which pictogram?

Pyrophoric liquids/solids (catch fire spontaneously in air) and Self-heating substances use the Flame pictogram. Explosives use the Exploding Bomb. Oxidizers us

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Question: A substance that may catch fire spontaneously when exposed to air (Pyrophoric) would be labelled with which pictogram?

Answer options:

  • Exploding Bomb ✅ Flame
  • Flame Over Circle
  • Skull and Crossbones

Correct answer: Flame

Explanation: Pyrophoric liquids/solids (catch fire spontaneously in air) and Self-heating substances use the Flame pictogram. Explosives use the Exploding Bomb. Oxidizers use the Flame Over Circle.

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