why magnesium ribbon rubbed with sand paper
esn040405:
magnesium ribbon has a later of magnesium oxide or basic magnesium carbonate which hinders the burning of magnesium ribbon
*layer
to remove this layer, it is rubbed with sand paper
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Answer:
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.
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Answer:
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.
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