Question

Why do we use sandpaper to clean magnesium ribbon rather than any other paper?

Answer 1

With magnesium, the oxide layer forms a white coating on the outside of the metal that will slow down or interfere with the burning process. The ribbons should be sanded with a fine sandpaper, therefore, to remove the layer.

Answer 2

☸ Required Answer is ⬇⬇⬇⬇⬇

✔Magnesium ribbon is rubbed with sand paper before burning it in the air because:-

✔ it  has a coating of a white layer of magnesium oxides on its surface.

✔ It is formed by the slow reaction of moist air on it. This hinders the burning of magnesium.

✔ So,This layer is removed by rubbing with sand paper before burning.

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