1. Place the five substances in order of increasing pH — from most acidic to most basic. (2 points) Click here to enter text. 2. Orange juice has a pH of 4. What color would you expect the paper test strip to be after it is dipped in a sample of orange juice? (2 points) Click here to enter text. 3. Determining the pH of substances such as purple grape juice and catsup using test strips can be difficult. Why? (3 points) Click here to enter text 4. Tear-free shampoos are advertised as having a pH similar to that of human tears. What pH would you expect tear-free shampoos to be? Use evidence from the lab activity to support your response. (5 points) Click here to enter text. 5. What is the approximate hydronium ion concentration and hydroxide ion concentration in a cup of tea? Which is higher? (Refer back to the chart of pH in the lesson if you need to.) (4 points) Click here to enter text. 6. What is the approximate hydronium ion concentration and hydroxide ion concentration in bleach? Which is higher? (4 points) Click here to enter text. 7 plzz help mee!​