Question

Name two metal oxides that are insoluble (not soluble) in water.

Answer 1

Answer:

All metal oxides are soluble in water except for oxide of Ca and Ba which are insoluble in water. 2. E.g Sodium oxide (Na2O) and Magnesium oxide are soluble in water and CaO and BaO are insoluble in water.

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Answer 2

Answer:

• magnesium and beryllium