JCH-NACA Animal Control Officer Practice Test 2025 – Complete Exam Preparation

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What is the required contact time for bleach to be effective?

5 minutes

10 minutes

For bleach to effectively disinfect surfaces, it typically requires a contact time of at least 10 minutes. This duration allows the active ingredients in bleach to penetrate and inactivate pathogens, including bacteria and viruses, ensuring that potential contaminants are sufficiently eliminated.

While shorter contact times may not allow for complete disinfection, extending the contact time beyond 10 minutes does not significantly enhance efficacy and could lead to issues such as damage to certain surfaces. Therefore, understanding the optimal contact time is crucial for effective sanitation practices.

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