| Alkaline solutions | base solutions |
| Basic solution | Solution in which H+ is less that OH- |
| PH | The negative logarithm of the hydrogen-ion concentration |
| acidic solution | Solution in which H+ is greater that OH- |
| ion-product constant for water | Product of hydrogen ion and hydroxide ion concentrarions for water |
| nuetral solution | Aqeous solution in which H+ and OH- are equal |
| self-ionization | Reaction in which two water molecules produce ions |
Drag corresponding items onto each other to make them disappear.
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