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Class 10 Science Medium Mcq English Medium

Which metal oxide dissolves in water to form an alkali

Question
Which metal oxide dissolves in water to form an alkali
CuO
Na2O
Al2O3
ZnO
Answer
Na2O
Detailed Explanation
Sodium oxide is one of the few metal oxides that dissolve in water, forming an alkali (sodium hydroxide).
Metals, in their pure state, generally have Science · Metals and Non-metals The shining nature of a freshly cut metal surface is called Science · Metals and Non-metals The ability of metals to be beaten into thin sheets is called Science · Metals and Non-metals The most malleable metals, according to the chapter, are Science · Metals and Non-metals

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