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Originally Posted by soccerchamp76
Isopropyl, or ethyl, alcohol is a better antiseptic than hydrogen peroxide (H2O2), although alcohol will sting, so be careful.
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Isopropanol and ethanol are two different alcohols. The former is C<sub>3</sub>H<sub>7</sub>OH and the latter is C<sub>2</sub>H<sub>5</sub>OH. The main difference is that ethanol is somewhat safer to consume, since it is the alcohol in alcoholic drinks.
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Soaking a penny in Coke will clean it (phosphoric acid) and Coke syrup has to be shipped in special chemical containers (again, due to the strong acidity).
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http://www.snopes.com/cokelore/acid.aspSnopes