Question

Hey everyone
Why should a magnesium ribbon be cleaned before burning in air ?

Answer 1

Answer:

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

Hope it helps you....

Answer 2

because when we take the magnesium ribbon from outside in atmosphere atmospheric gas are present like .oxygen than magnesium oxide is formed and Alia of oxygen that's why we need to clean the magnesium ribbon