Which one of the following oxides dissolves in water? A CuO B Al<sub>2</sub>O<sub>3</sub> C Fe<sub>2</sub>O<sub>3</sub> D Na<sub>2</sub>O Which one of the following oxides dissolves in water? Correct Answer Na<sub>2</sub>O Bissoy MCQ Team Chemistry GK Chapter Wise Metal And Its Compounds