For the following, answer Acid, Base, Both, or Neither

1. Can turn a litmus paper a different color _____________

2. Reacts with certain metals _____________

3. Contains more hydrogen ions than hydroxide ions _____________

4. Feels slippery _____________

5. Reacts with carbonates (CO3-), a base _____________

6. Feels rough _____________

7. Contains equal numbers of hydrogen and hydroxide ions _____________

8. Tastes bitter _____________

9. Tastes sour _____________