Question

Why should a magnesium ribbon be cleaned before it is burnt in air?

Answer 1

Answer:

Yes a magnesium ribbon must be cleaned before using it in a reaction..

Explanation:

on the ribbon there is a layer of magnesium oxide that would not be usable for reaction what we going to do so it must be removed as that it can not react in reaction and desirable reaction will occur..

Answer 2

Answer:

We should clean magnesium ribbon before buring it in air because magnesium react with oxygen to form magnesium oxide which does not burn. So we should to remove the upper oxide layering that's why we cleaned magnesium before buring.

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