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What is the primary advantage of using UV light for disinfection?

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Question: What is the primary advantage of using UV light for disinfection?

Options:

  1. It is effective against all pathogens
  2. It does not leave chemical residues
  3. It is inexpensive
  4. It penetrates surfaces effectively

Correct Answer: It does not leave chemical residues

Solution: 

The primary advantage of using UV light for disinfection is that it does not leave chemical residues, making it safe for use in sensitive environments.

What is the primary advantage of using UV light for disinfection?

Practice Questions

Q1
What is the primary advantage of using UV light for disinfection?
  1. It is effective against all pathogens
  2. It does not leave chemical residues
  3. It is inexpensive
  4. It penetrates surfaces effectively

Questions & Step-by-Step Solutions

What is the primary advantage of using UV light for disinfection?
  • Step 1: Understand what UV light is. UV light is a type of light that is not visible to the human eye.
  • Step 2: Learn that UV light can kill germs and bacteria. It does this by damaging their DNA.
  • Step 3: Recognize that using UV light for disinfection means you are not using chemicals.
  • Step 4: Realize that not using chemicals is important because it means there are no leftover substances after cleaning.
  • Step 5: Conclude that this makes UV light safe for places where people are sensitive, like hospitals or food preparation areas.
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