why we have to rub iron nails with sandpaper
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Explanation:
We do this to make iron nails shiny and lusturuos.and so that it cannot become rusted...
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The ribbon should be sanded with fine papers consequently to eliminate the layer. Burning magnesium occurs in magnesium oxide and also magnesium nitrite. Burning boosts up the metabolism from magnesium to magnesium oxide in the atmosphere.
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