Acid/Base Scavenger Hunt

Cody Masters & Nathan Reedy

Definitions-

Acidic Solution- An acid is a substance that donates hydrogen ions. When an acid is dissolved in water, the balance between hydrogen ions and hydroxide ions is shifted. This results in the solution being acidic.

Basic Solution- A solution that has more concentration of hydroxide ions then hydrogen ions.

Neutral Solution- Hydrogen ion concentration is the same as the Hydroxide ions.

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pH Scale-

1-6 pH on the scale means that the substance is acidic.

7 pH on the scale means the substance is neutral.

8-14 pH on the scale means that the substance is basic.

Procedures-

Materials:

Pipette, Paper Towel, pH strips, Graduated Cylinder, Root Beer soda, Orange Juice, Toilet Bowl Cleaner, Honey, Shampoo, Milk(Cow), Distilled Water, Dawn Dishwasher Soap, Baking Soda, Ammonia, Bleach, Borax.


1. Gather all supplies need for testing( this includes PH chart, PH strips, substances that you are testing and all materials need for testing), and put on table where testing will occur.

2. Lay all of pH strips out on table, and cut into fourths so you have plenty in case of error.

3. Gather all substances that will be tested, and place in front of you.

4. Lay a paper towel across the area which you will be doing the testing, and lay a pH strip on it.

5. Now pour 20 mL of substance being tested into a graduated cylinder.

6. If substance is solid or anything like that, you will need to dissolve it to an aqueous solution before testing.(This can be completed by putting the solid in water and dissolving it until solid is completely dissolved)

7. Use your pipette and fill it with a small amount of the substance from the graduated cylinder.

8. Now squeeze a small drop of the substance onto the pH strip, and observe. As well as take pictures to show evidence of the testing.

9. Record your findings into your notes.

10. Repeat these steps until you have tested every substance.

11. After experimenting, throw away all materials that were used as well as substances. Make sure to wash your hands and all equipment to finish the job.
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