1. The pH scale is based off of the concentration of _________ ions.

2. What is a solution that has an excess of hydroxide (OH-) ions?

3. An acid/base reaction always produces:

4. BASE + ACID ----> SALT +?

5. An organic substance that changes color in the presence of an acid or base

6. According to the pH range which substance is more acidic than lemon juice

7. Which food is the most acidic?

8. If a solution is basic which ion will be more present?

9. A solution contains the same number of H+ ions as it contains OH- ions, what will it be?

10. If you are burned with a strong base, what should you use to safely neutralize it