magnesium ribbon is rubbed before burning because it has a coating of
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- magnesium ribbon is rubbed before burning because it has a coating of - magnesium oxide .
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Answer:
because it has a coating of basic magnesium oxide.
Explanation:
Magnesium is a highly reactive metal. When exposed to air it forms a layer of magnesium oxide on its surface, which prevents further reaction of magnesium with oxygen. Magnesium ribbon is rubbed before burning because it has a coating of basic magnesium oxide.
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