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<p>[QUOTE=&quot;-jeffB, post: 8298175, member: 27832&quot;]Vinegar is most certainly an acid. Throw in hydrogen peroxide, and it&#039;s an <i>oxidizing acidic</i> environment. Even a copper cent would&#039;ve been etched. That poor Zincoln never stood a chance.</p><p><br /></p><p>(Even if you neutralized the vinegar with baking soda, you would&#039;ve been left with a conductive solution. That&#039;s all a Zincoln needs to eat itself; a current passes between the zinc and the copper, and the zinc dissolves away. You could probably accomplish the same thing by scratching through the copper shell of a Zincoln, then dropping it into salt water, or water with Epsom salts dissolved in it.)[/QUOTE]</p><p><br /></p>

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