Which compound formed when ash formed by burning of magnesium ribbon in air is dissolved in water?
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Answer:
Mg(OH)2 is formed when ash of magnesium ribbon is dissolved in water
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Explanation:
When magnesium is burnt in air it reacts with oxygen and forms magnesium oxide. When magnesium oxide is dissolved in water it forms magnesium hydroxide.
Mg+o2 -----》 mgo
mgo+h20 -----》 mg(oh)2
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