Question

Why should Magnesium ribbon be cleaned before burning in air?


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Answer 1

Answer:

Magnesium ribbon must be cleaned before burning in air so that the layer of magnesium oxide ( which is formed due to the reaction of magnesium with air ) can be removed in order to get the desired chemical reaction

Explanation:

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Answer 2

Answer:

Magnesium ribbon should be cleaned before burning in the air because of the following reasons:

To remove the layer of magnesium oxide formed due to the reaction between magnesium and air

Unwanted impurities deposited on the magnesium ribbon can be removed and only pure magnesium can be used for reaction

To remove the Magnesium oxide layer from the ribbon which may prevent or slow down the burning of magnesium ribbon

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