- Label the cups:
- Vinegar
- Lemon Juice
- Baking Soda Solution
- Milk of Magnesia Solution
- Water
- Add a slice of apple to each cup.
- Pour 50 ml or 1/4 cup of a substance over the apple in its labeled cup. You may want to swirl the liquid around the cup to make sure the apple slice is completely coated.
- Make note of the appearance of the apple slices immediately following treatment.
- Set aside the apple slices for a day.
Effect of Acids and Bases on the Browning of Apples - Chemistry Experiments
By Anne Marie Helmenstine, Ph.D., About.com Guide
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- Purpose of the Experiment
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- Procedure - Day One
- Procedure and Data - Day Two
- Results
- Conclusions
- Additional Questions
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