What is the minimum effective concentration of ethanol for disinfection?
Correct Answer: 70% ethanol
- Step 1: Understand that ethanol is a type of alcohol used for disinfection.
- Step 2: Know that different concentrations of ethanol can be used for cleaning.
- Step 3: Learn that 70% ethanol is commonly recommended for disinfection.
- Step 4: Recognize that 70% ethanol works well because it can penetrate cells better than higher concentrations.
- Step 5: Remember that 70% ethanol helps to denature proteins, which is important for killing germs.
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