why should magnesium ribbon be cleaned before burning in air ? answer briefly no spam answer plz guyes....
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magnesium ribbon is cleaned with the help of a sand paper before burning in air because it contains a layer of magnesium oxide on its surface.......
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hope the answer is correct and helps you...
lucky306:
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welcm sister
Answered by
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when magnesium ribbon comes in contact with air MgO is formed.it acts as shield and doesn't allow Mg to burn
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