Question

11.When magnesium combines with oxygen product formed appears to be like :

(a)Wood ash

(b) chalk powder

(c) table salt

(d) powdered sugar

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Answer 1

Answer:

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Explanation:

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)+O2

(g)→2MgO(s)+energy

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