Which do you prefer to use disinfectant, a 70 % ethyl alcohol or isopropyl alcohol solution or a 40 % ethyl or isopropyl alcohol solution? Why? __________________________________________________________________________________________.
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Which do you prefer to use disinfectant, a 70 % ethyl alcohol or isopropyl alcohol solution or a 40 % ethyl or isopropyl alcohol solution? Why? __________________________________________________________________________________________.
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Answer:
70 % isopropyl alcohol is by far better at killing bacteria and viruses than 90 % isopropyl alcohol. As a disinfectant, the higher the concentration of alcohol, the less effective it is at killing pathogens.