Question

Which compound formed when ash formed by burning of magnesium ribbon in air is dissolved in water?

Answer 1

Answer:

Mg(OH)2 is formed when ash of magnesium ribbon is dissolved in water

Answer 2

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