Testing Acidity of Household Substances

Procedure1. Watch the following videos and reading the corresponding sections of your textbook:Red cabbage pH Indicator: https://www.youtube.com/watch?v=I18K2upEHLcAcids and Bases, pH and pOH: YouTube Professor Dave Explains Acids and Bases, pH and pOHApplication: How Do Antacids Work? https://www.youtube.com/watch?v=EXGHpXlBgZA2. Record the household substances you will be testing, and pH values you expect (pH values or acidic/neutral/basic) for each one.3. Heat several leaves of red cabbage in a cooking pot or microwave until the water turns purple.4. Pour or spoon the purple liquid into several smaller containers. (Caution: liquid will be hot.)5. Add one household substance that you are testing to each container. Record your observations.6. Compare the color changes you observed with the pH chart in https://www.compoundchem.com/2017/05/18/red-cabbage/. Record the experimental pH values of the substances you’ve tested.Report Requirements:1. Summarize your observations in a table. (You may copy and paste the table attached or design your own.)2. What trends (what types of household substances are acidic/basic/neutral) did you expect?3. Did your experimental results match your expectations?4. Were your experimental results surprising? Why or why not?

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