why should a magnesium ribbon be cleaned before burning in air
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Magnesium ribbons should be clean as, it react with oxygen to form a layer of magnesium oxide, which hinder the burning of magnesium ribbons, so it should be clean with sandpaper
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To remove the protective layer of Mg Carbonate which is formed by slow reaction of Mg with carbonate present in air all its surface so that Mg easily combines with oxygen of air for easier burning......
I hope you get it......
I hope you get it......
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