Question

Select the correct option for the reaction, 'burning of Magnesium wire in air.'
1.Combination, exothermic, oxidation
2. Oxidation, combination, endothermic
3. Displacement, endothermic, reduction
4.Combination, exothermic, reduction
​

Answer 1

Answer:

When the magnesium metal burns it reacts with oxygen found in the air to form Magnesium Oxide. A compound is a material in which atoms of different elements are bonded to one another. Oxygen and magnesium combine in a chemical reaction to form this compound. After it burns, it forms a white powder of the magnesium oxide. Magnesium gives up two electrons to oxygen atoms to form this powdery product. This is an exothermic reaction as well as combination reaction.

2Mg(s)+O

2

(g)→2MgO(s)+energy

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