Why should a magnesium ribbon be cleaned
before burning in air?
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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.
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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.
Explanation:
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yahi ke tuje heraan karne me maja aata hai
xD
terko itna kaise pata hai mere baare ?
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are re kya tubhi
majak tha woh
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