McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

What is true about the relationship between the pH of tomatoes and the pH of coffee?

A. Tomatoes are less acidic than coffee.
B. Tomatoes are 10X more acidic than coffee.
C. Coffee is 100X more alkaline than tomatoes.
D. Coffee is 10X more acidic than tomatoes.


2. What is true about a substance with a pH of 7?

A. The substance is neither acid or base.
B. It has 10-7 M hydrogen ion concentration.
C. The number of hydrogen ions equals the number of hydroxyl ions in solution.
D. All of these are correct.
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