Question

write one observation when magnesium ribbon is bunrt in air​

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:

when magnesium ribbon is burnt in air it burns with white dazzling flame and reacts with oxygen to form a white residue known as magnesium oxide

Explanation:

reaction

2mg(s) + O2(g) - 2mgo(s)