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  • Electrology Licensing Exam
  • What alcohol strength is in a disinfecting agent?
Multiple choice

What alcohol strength is in a disinfecting agent?

  1. 99%

  2. 70%

  3. 80%

  4. 60%

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

70% isopropyl alcohol is the standard concentration for disinfection because it contains enough water to penetrate cell walls effectively, whereas higher concentrations evaporate too quickly.

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