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why should magnesium ribon be cleaned …

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why should magnesium ribon be cleaned before buring in air

Posted by Sakshi Singh Rajput Sakshi 6 years, 4 months ago

CBSE > Class 10 > Science

7 answers

Shivam Mishra 6 years, 3 months ago

you are my whole world

Sandhya Yadav 6 years, 3 months ago

If we don't rub it . It make barrier in burning that's why...

Sundram Kumar 6 years, 4 months ago

Because when it is exposed in air then a layer of magnesium oxide is come on the magnesium ribbon so we have to clean it by sand paper

Aadya Singh ? 6 years, 4 months ago

The magnesium ribbon which we use usually has coating of magnesium oxide on its surface which is formed by the slow action of oxygen of Air on it .So, before burning in air, the magnesium ribbon is cleaned by rubbing with Sandpaper to remove the protective layer of magnesium oxide from the surface of magnesium ribbon so that it may readily combine with oxygen of air.

Sakshi Singh Rajput Sakshi 6 years, 4 months ago

I am not satisfied

Ravi Choudhary 6 years, 4 months ago

As some of its outer portion already reacted with atmospheric air...nd a layer formed on it so to remove these reacted layer we should have to Clean... before taking to any experiment.....

Priyanshu Kumar ????? 6 years, 4 months ago

Magnesium ribbon is cleaned before burning in air to remove the protective layer of magnesium oxide so that it may burn easily.

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