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Why dies a magnesium ribbon cleaned it before it burnt in air.

:) its kk dear edit it then .......
its saying that its too late to edit
oh kk leave it !!!! :)
i am new user so i don't know all thing about it
do u know the answer


Bcoz it oxidise in the air and the deposition of magnesium oxide takes place on its outer surface.thats why it should be cleaned before burning.
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The Brainliest Answer!
It should be cleaned because to remove a layer of oxygen ( mg oxide is formed on the mg ribbon when it is outside in the air )  so ,  to avoid disturbance 

hope helped u dear !! :)

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on the top of the page u ll find an icon like msg box
see there
but i m new user i don't know how to chat on it
see top
yes but its blank
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