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why magnesium ribbons rubbed before burning

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why magnesium ribbons rubbed before burning

Posted by Sidhraj Kumar Kumar 5 years, 5 months ago

CBSE > Class 10 > Science

3 answers

Liv 5 years, 5 months ago

They are rubbed with sandpaper to remove the layer of magnesium oxide and for further burning so that it can burn easily.

0Thank You

Aakanksha Uppal 5 years, 5 months ago

Magnesium gets covered with a layer of magnesium oxide when kept in air for a long time. This layer hinders the burning of magnesium. Hence,it is to be cleaned before burning

1Thank You

Himanshi Bisht 5 years, 5 months ago

It is rubbed with sandpaper to remove layer of magnesium oxide which hinders the burning of magnesium ribbion

1Thank You

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Posted by Pandey Ji 5 months, 4 weeks ago

CBSE > Class 10 > Science