Question

write a balanced chemical equation to show the chemical change that occurs when magnesium ribbon is burnt in air. name the protuct formed and mention the characteristics of the flame produced.

Answer 1

Equation

2Mg+O2 heat-> 2MgO+Heat

It forms magnesium oxide.

It burns with white dazzling flame to form white powdery mass.

Answer 2

When Mg burns in oxygen, the following reaction takes place:-
2Mg(2 molecules of magnesium) +O2(1 oxygen atom) = 2MgO(2 molecules of magnesium oxide)
Thus a white substance 2Mgo is formed.
The flame is dazzling(bright) and white in colour.
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