Saved Bookmarks
| 1. |
वायु में जलाने से पहले मैग्नीशियम रिबन को साफ़ kiyu kiya jata hai |
|
Answer» Magnesium ribbon is CLEANED to REMOVED the protective layer of magnesium oxide from the SURFACE of magnesium ribbon .So that it MAY readily combine with the OXYGEN of airExplanation: |
|