What is the minimum effective concentration of bleach for disinfection?

Practice Questions

Q1
What is the minimum effective concentration of bleach for disinfection?
  1. 0.5%
  2. 1%
  3. 5%
  4. 10%

Questions & Step-by-Step Solutions

What is the minimum effective concentration of bleach for disinfection?
Correct Answer: 1%
  • Step 1: Understand that bleach is a disinfectant used to kill germs.
  • Step 2: Know that the concentration of bleach is important for it to work effectively.
  • Step 3: Learn that a minimum effective concentration means the lowest amount of bleach needed to disinfect properly.
  • Step 4: Remember that 1% bleach concentration is recommended for effective disinfection of surfaces.
  • Step 5: To make a 1% bleach solution, mix 1 part bleach with 99 parts water.
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