Chapter - 1

Chemistry

Title

45:30

8 of 24 completed

5 of 15 completed

38 of 100 completed

8 of 20 completed

Indian Economy - Understanding the basics of Indian economic system

Before burning in air, the magnesium ribbon is cleaned by rubbing with a sand paper to:

Make the ribbon surface shinier

Remove the layer of magnesium oxide from the ribbon surface

Remove the layer of magnesium carbonate from the ribbon surface

Remove the moisture from the ribbon surface

Remove the layer of magnesium carbonate from the ribbon surface