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

Magnesium is a reactive metal, it reacts with the oxygen of air and forms magnesium oxide.

Magnesium oxide makes a layer on the upper surface of the metal. Which makes it difficult for the magnesium to get burnt and give characteristic flame.

By using sandpaper we can remove its upper layer for proper combustion reaction to take place.

Published by ankushmaster

I am M.Sc (chemistry ) from punjabi university. I am a science teacher with expertise in chemistry, with 8 years of experiance in teaching. i am getting a handsome salary , now i wish to help out the people who need me UNCONDITIONALLY. and I am constantly working on creating a new and easy way of learning the tough things in an effective way. I am constantly working to make authentic and reliable information to be shared with my students and widen the horizons of knowledge.

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