NAME : *

1. If the pH of a solution is 13. This means that it is *

2. Water soluble bases are known as *

3. Tooth decay starts when the pH of the mouth is lower than *

4. The process of dissolving an acid or a base in water is an *

5. Bases which are soluble in water are called *

6. Substances whose odour changes in acidic or basic are called which are soluble in water are called *

7. Sodium hydrogen carbonate is an ingredient in *

8. Which of the following substance has the lowest PH value? *

9. In neutralization reaction is formed with water. *

10 . H2O + ...... → H3O+ *