give reason - magnesium ribbons birn in air
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Explanation:
When magnesium is in its metal form it will burn very easily in air. ... 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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answer-
when magnesium ribbon is heated in the presence of Air on a burner flame after sometime, it starts burning with a white flame and white powder is formed which is called magnesium oxide .
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