U1-3-3 - Metal and Non-metal Oxides Flashcards
1
Q
Soluble metal oxides turn solution pH…
A
alkaline.
2
Q
Soluble non-metal oxides turn solution pH…
A
acidic.
3
Q
Insolube oxides turn solution pH…
A
neutral (no effect).
4
Q
When metal oxides dissolve in water, the ________ ion concentration increases.
A
When metal oxides dissolve in water, the hydroxide ion concentration increases.
That’s why the solution turns alkaline.
5
Q
When non-metal oxides dissolve in water, the ________ ion concentration increases.
A
When metal oxides dissolve in water, the hydrogen ion concentration increases.
That’s why the solution turns acidic.
