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UUESTI UNS1.Why should a magnesium ribbon be cleaned before burning in air?

Answer»

to remove layer of MgCo3 so that it easily burn

Magnesium ribbon should be cleaned before burning in air to remove the basic magnesium carbonate coating on it. This layer should be removed so that the ribbon may readily combine with oxygen while burning in air. Basic magnesium carbonate layer consists of magnesium carbonate and magnesium hydroxide.

to remove impurities

to remove mgco3 layer



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