Chapter 6 Ions: Charged Particles in Solution 77 Copyright Goodheart-Willcox Co., Inc. May not be reproduced or posted to a publicly accessible website. Name ________________________________________________________________ Part II Solution Test Tube Number of Closest Color Match from Part 1 pH Indicator Fruit juice Baking soda Buttermilk Milk Bleach Clear soda Egg white Dishwashing liquid Honey Lemon juice Milk of magnesia Tea Ammonia Combination lemon juice and baking soda Post-Lab Questions 1. How accurate was the natural indicator compared to the pH paper or meter? _ __________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________ 2. If other indicators were used, which was the easiest to work with? _ __________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________ 3. What is the result of combining lemon juice and baking soda? _ __________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________ 4. How can the information gained in this lab be applied to cooking foods that contain natural indicators? _ _________________________________________________________________________________________________________________ Removing stains on clothes? _ __________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________ Dealing with accidental poisonings? _ __________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________ 5. Rank substances from most acidic to most basic. _ __________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________