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Canadian Food Handler Certificate · Question

Chemical sanitizers work effectively only when:

Sanitizing is a a separate step from cleaning. Sanitizers are ineffective on dirty surfaces, so the surface must first be properly cleaned of all food debris an

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Question: Chemical sanitizers work effectively only when:

Answer options:

  • They are mixed with hot water above 82°C (180°F). ✅ They are used on a surface that has already been cleaned and rinsed.
  • They are left to air dry for at least one hour.
  • They are mixed with detergent to save a step.

Correct answer: They are used on a surface that has already been cleaned and rinsed.

Explanation: Sanitizing is a a separate step from cleaning. Sanitizers are ineffective on dirty surfaces, so the surface must first be properly cleaned of all food debris and grease, then rinsed.

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