Question

why magnesium ribbon is cleaned before burning it up in the air​

Answer 1

Answer:

To remove the deposition of magnesium oxide formed due to the oxidation process

Answer 2

Answer:

Before burning in air the magnesium ribbon is cleaned by rubbing with sand paper because to remove the protective layer of magnesium oxide from the surface of magnesium ribbon so that it make readily combine with oxygen of Air on heating.

Explanation:

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