Why is it important to clean magnesium ribbon before burning?
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It may contain impurities like carbon, arsenic, sulphur compounds, etc. which do not give accurate results, may cause great exothermic reactions.
Thus it is cleaned to wash them off.
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HELLO
Magnesium ribbon is cleaned to remove the protective layer of basic magnesium carbonate at its surface. To show that it readily combined with the oxygen in air
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