Question

when magnesium ribbon is burnt in air , write any two observation and name the type of the reaction​

Answer 1

Answer:

When magnesium ribbon is burnt in the air, it combines with oxygen to form white powder magnesium oxide MgO with the release of heat and light. It forms a white powder of magnesium oxide. Magnesium gives up two electrons to oxygen atoms to form this powdery product.

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Answer 2

Answer:

Explanation:

a) observations:

1. formation of white powder of Magnesium oxide i.e. MgO

2. release of heat and light .

--------the chemical reaction is: Mg + O2 → MgO

b) it is a combination reaction , however since heat is released hence it is also a exothermic reaction .