pH Analysis Gizmo Assessment
Questions
Place these unknown pH test papers in order from most acidic to most alkaline. -
Answer D. Paper D, paper C, paper A, paper B
A new mild dish detergent is being tested before putting it on the market. If the new
detergent were tested with 0-14 pH test paper, the test strip would most likely turn what
color? - Answer C. 8.2
Chemicals in the air can combine with rain to produce acid rain, which is harmful to the
environment. Which of these is most likely to be the pH of acid rain? - Answer B. 4
Based on the materials measured in the Gizmo, what is the most likely pH of apple
juice? - Answer B. 3.9
Suppose you have already compared the pH values of two substances using 0-14
paper. When would a follow-up test using 4.5-7.5 paper be most helpful? - Answer B.
when both substances had a pH value of about 6 on the 0-14 paper
Questions
Place these unknown pH test papers in order from most acidic to most alkaline. -
Answer D. Paper D, paper C, paper A, paper B
A new mild dish detergent is being tested before putting it on the market. If the new
detergent were tested with 0-14 pH test paper, the test strip would most likely turn what
color? - Answer C. 8.2
Chemicals in the air can combine with rain to produce acid rain, which is harmful to the
environment. Which of these is most likely to be the pH of acid rain? - Answer B. 4
Based on the materials measured in the Gizmo, what is the most likely pH of apple
juice? - Answer B. 3.9
Suppose you have already compared the pH values of two substances using 0-14
paper. When would a follow-up test using 4.5-7.5 paper be most helpful? - Answer B.
when both substances had a pH value of about 6 on the 0-14 paper
