Question

teacher cleaned the magnesium ribbon with sand paper before performing an experiment why did the teacher do that
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Answer 1

Answer:

PLZ...MARK ME AS THE BRAINLIEST...

Explanation:

Magnesium ribbon should be cleaned with sandpaper before burning in the air. ... To remove the Magnesium oxide layer from the ribbon which may prevent or slow down the burning of magnesium ribbon. Unwanted impurities deposited on the magnesium ribbon can be removed and only pure magnesium can be used for the reaction.