Question detail
Which metal oxide is likely to dissolve in water to form an alkaline solution?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Reactivity of metals
Question
- A. Copper(II) oxide
- B. Sodium oxide
- C. Iron(III) oxide
- D. Lead(II) oxide
Answer
Sodium oxide
Explanation
Sodium oxide dissolves in water to form sodium hydroxide, which is an alkaline solution.
Common mistake
Misunderstanding Metal Oxide Solutions
Students often think that all metal oxides dissolve in water to form alkaline solutions, not realizing that only some do.
Focus on memorizing which specific metal oxides are known to dissolve in water to produce alkaline solutions, such as sodium oxide and potassium oxide.
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