| .....Acids and Bases High school physics and chemistry www.physchem.info |
| ...What are some interesting natural .......acid indicators....like flowers? |
| ...Arrange these substances according to their pH: ....a Quia exercise Use the page I handed out to you on pH and foods |
| ..Titration #2: Graphs pH while you titrate. You can select different indicators and different acids and bases. ...The SAMPLE is the acid that goes in the flask and the titrant is the base that goes in the buret. ...Try HCL and H3PO4 with NaOH and compare your results with your previous lab. Notice when neutralization is near the pH changes VERY rapidly. |

| ...Zinc Metal reacts ...with Hydrochloric acid! |
| ...Juice Bar Lab using cabbage juice Interactive |