| A | B |
|---|
| Acid | substance that reacts with metals to release hydrogen |
| How can acids be identified? | by sour taste |
| What are acids called? | proton donors |
| What does sour milk contain? | lactic acid |
| What does vinigar contain? | acetic acid |
| What symbol appears first in the chemical formula for acid? | hydrogen |
| Base | substance formed when metals react with water |
| Hydroxyl ion | negative ion made up of one atom of hydrogen and one atom of oxygen |
| What are some properties of bases? | taste bitter and feel slippery |
| What are some examples of a base? | milk of magnesia, ammonia, soap |
| What are bases called? | proton acceptors |
| Indicator | substances that change color in acids and bases |
| What color does litmus paper turn in an acid? | red |
| What color does litmus paper turn in a base | blue |
| What color is grape juice in an acid? | pink or red |
| What color is grape juice in a base? | green or yellow |
| What color flowers do hydrangeas have in basic soil? | pink |
| What color flowes do hydrangeas have in acidic soil? | blue |
| What food can be used as indicators | cabbage, blueberries, beets, cherries, rhubarb |
| neutral | neither acidic nor basic |
| Ph scale | measure of the concentration of hydrogen or hydroxyl ions in a solution |
| What are 2 strong acids? | Sulfuric and nitric acid |
| What are 2 weak acids? | carbonic and boric acid |
| What are 2 strong bases? | sodium hydroxide and potassium hydroxide |
| What are 2 weak bases? | ammonium and aluminum hydroxide |
| What is the Ph of a nuetral solution? | 7 |
| What is the Ph of an acidic acid? | below 7 |
