Question

Why do we need to rub magnesium ribbon on a sand paper ​

Answer 1

hlo mate ✌️

Rubbing with sand paper helps to remove the oxide formed ( of magnesium )layer due to which burning speeds up.

Hope it helps ❣️

Answer 2

Explanation:

Magnesium readily oxidises in the presence of oxygen .

So to remove the rust layer we rub it on a sandpaper .

#answerwithquality #BAL