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CBSE 10th Result 2025 OUT @cbseresults.nic.in Live Updates on CBSE Class 10 Result Link
The CBSE Class 10 Result is one of the most awaited events for students, parents, and educators alike. Every year,
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Why should a magnesium ribbon be cleaned before burning in air ?
Magnesium gets covered with a layer of magnesium oxide when kept in air for a long time. This layer hinders the burning of magnesium. Hence, it is to be cleaned before burning.