Question

Jaskarn cleaned Magnesium Ribbon with sand paper before performing an experiment. Why did Jaskarn do that ?

(1) To smoothen the ribbon

(2) To remove the layer of carbon dioxide /

(3) To remove the layer of Magnesium oxide /

(4) All of above / ​

Answer 1

Answer:

Jaskarn did that because when magnesium is exposed to air magnesium oxide is formed. It hinders burning to remove it he used sand paper

Answer 2

Jaskarn cleaned Magnesium Ribbon with sandpaper (3) To remove the layer of Magnesium oxide.

Why is cleaning with sandpaper important?

• Magnesium is a profoundly responsive metal.
• When presented to air numerous metals will gradually respond with oxygen in the environment to frame metal oxides and magnesium is one of those metals.
• With magnesium, the oxide layer frames a white covering outwardly of the metal that will dial back or obstruct the consuming process.
• The strips ought to be sanded with fine sandpaper, in this way, to eliminate the layer.

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