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What is the recommended contact time for a 10% bleach solution to effectively di

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Question: What is the recommended contact time for a 10% bleach solution to effectively disinfect surfaces?

Options:

  1. 1 minute
  2. 5 minutes
  3. 10 minutes
  4. 15 minutes

Correct Answer: 5 minutes

Solution: 

A 10% bleach solution is recommended to be in contact with surfaces for at least 5 minutes for effective disinfection.

What is the recommended contact time for a 10% bleach solution to effectively di

Practice Questions

Q1
What is the recommended contact time for a 10% bleach solution to effectively disinfect surfaces?
  1. 1 minute
  2. 5 minutes
  3. 10 minutes
  4. 15 minutes

Questions & Step-by-Step Solutions

What is the recommended contact time for a 10% bleach solution to effectively disinfect surfaces?
Correct Answer: 5 minutes
  • Step 1: Prepare a 10% bleach solution by mixing bleach with water.
  • Step 2: Apply the 10% bleach solution to the surface you want to disinfect.
  • Step 3: Make sure the surface is completely wet with the solution.
  • Step 4: Let the bleach solution stay on the surface for at least 5 minutes.
  • Step 5: After 5 minutes, wipe the surface with a clean cloth or let it air dry.
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