What happens when a magnesium ribbon is heated in presence of air.
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When the magnesium metal burns it reacts with oxygen found in the air to form Magnesium Oxide. ... After it burns, it forms a white powder of the magnesium oxide. Magnesium gives up two electrons to oxygen atoms to form this powdery product. This is an exothermic reaction.
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Explanation:
when magnesium ribbon is heated in presence of air first it burns with a dazzling white flame and then it forms magnesium oxide due to the pressence of oxygen in the air.
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