U1-3-3 - Oxides and pH 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
What type of oxides make alkaline solutions?
A
(Soluble) metal oxides
E.g. sodium oxide
5
Q
What type of oxides make acidic solutions?
A
(Soluble) non-metal oxides
E.g. sulfur dioxide
6
Q
An oxide was added to water, but the pH did not change.
What does that tell you about the oxide?
A
The oxide is insoluble in water
