why should be a magnesium ribbon cleaned before burning in air
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Hey mate,
A magnesium ribbon should be cleaned properly before burning it in air because it reacts with oxygen in the air before burning and a protective layer of magnesium oxide is formed on its surface. When cleaned properly, its surface is exposed and we can carry out the experiment.
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Answer:
The magnesium ribbon should be cleaned before burning in the air because the layer of magnesium oxide (which is formed due to the reaction of magnesium with air ) can be removed in order to get the desired chemical reaction. Also in order to remove the oxide layer, the presence of which slowdowns the oxidation process.
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