Question

4 why is nagation ribbon clean before
buring
in air?​

Answer 1

Answer:

It should be cleaned before burning due to the following reasons: ... 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 2

Answer:

It should be cleaned before burning due to the following reasons: ... 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