Test for Learning Objective 21 1. A pH of 9 indicates a(n) ___ solution A pH of 6 indicates a(n) ___ solution A pH of 7 indicates a(n) ___ solution A pH of 5 indicates a(n) ___ solution A pH of 12 indicates a(n)___ solution 2. Lemon juice has an acidic pH. Which of the following pHs could be lemon juice’s pH? a. 12.4 b. 10.8 c. 7.1 d. 2.4
3. Which of the following is the most acidic pH? a. 2.5 b. 1.9 c. 6.2 d. 3.5 4. Which of the following is the most alkaline pH? a. 4.5 b. 11.9 c. 7.2 d. 3.5
