Why we clean magnesiam ribbon before burning?

Asked by  | 13th Mar, 2008, 02:29: PM

Expert Answer:

we clean magnesium ribbon befofore burning because it tarnishes at room tempreture in normal atmosphere.

it reacts with water to form magnesium oxide which forms a thin layer over it n we hv to clean magnesium ribbon to remove this thin layer of magnesium oxide before burning.

 Mg    +   H2o                                                →    Mgo   +  H2

Answered by  | 17th Apr, 2008, 02:32: PM

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