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| Asked by:
Anonymous on Jan-20-2008 02:41:30 |
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| Answer
1 Contributor: Anonymous on Jan-30-2008 14:04:37 |
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| ya this is NOT helpful
soory but its not |  Report
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2 Contributor: Anonymous on Jan-20-2008 20:56:53 |
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| Nails are made of Iron. The iron oxidises when exposed to air (a chemical reaction - Iron - atoms changing their electrical charge during oxidisation). The oxidised Iron has a different colour. | Report
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