Question

Explain the formation of a protective layer of Magnesium Oxide.....on the layer of Magnesium Ribbon..​

Answer 1

Explanation:

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The layer that is formed on the surface of magnesium is that of magnesium oxide. ... This layer of magnesium oxide is quite stable and prevents further reaction of magnesium with oxygen. The magnesium ribbon is therefore cleaned by sand paper for removing this layer so that the underlying metal can be exposed to air.!

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Answer 2

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When the magnesium ribbon is burnt in air , magnesium oxide is formed. It undergoes combination reaction. Magnesium is metal and oxygen is non - metal , therefore they form a electrovalent or ionic bond.

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