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What is the role of surfactants in disinfection?

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Question: What is the role of surfactants in disinfection?

Options:

  1. Increase the pH of the solution
  2. Enhance the penetration of disinfectants
  3. Neutralize microbial toxins
  4. Stabilize the disinfectant solution

Correct Answer: Enhance the penetration of disinfectants

Solution: 

Surfactants enhance the penetration of disinfectants by reducing surface tension, allowing better contact with microbes.

What is the role of surfactants in disinfection?

Practice Questions

Q1
What is the role of surfactants in disinfection?
  1. Increase the pH of the solution
  2. Enhance the penetration of disinfectants
  3. Neutralize microbial toxins
  4. Stabilize the disinfectant solution

Questions & Step-by-Step Solutions

What is the role of surfactants in disinfection?
Correct Answer: Surfactants help disinfectants work better by reducing surface tension.
  • Step 1: Understand what surfactants are. Surfactants are substances that lower the surface tension between two liquids or between a liquid and a solid.
  • Step 2: Know that disinfectants are chemicals used to kill or inactivate harmful microorganisms.
  • Step 3: Learn that when disinfectants are applied to surfaces, they need to reach and contact the microbes to be effective.
  • Step 4: Realize that surfactants help by breaking down barriers (like surface tension) that might prevent disinfectants from reaching the microbes.
  • Step 5: Conclude that by reducing surface tension, surfactants allow disinfectants to spread more easily and make better contact with the germs, enhancing their effectiveness.
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