Which of the following substances would be nearest the pH of human blood?
A) lemon juice, pH = 5.5
B) urine, pH = 6
C) tomato juice, pH = 4
D) white wine, pH = 3
E) stomach secretions, pH = 2

Question

Quizplus · Accepted Answer

Human blood typically has a pH between 7.35-7.45, which falls within a slightly basic or alkaline range. Among the given options, urine with a pH of 6 is the closest to the pH of human blood. The other options are more acidic than human blood with pH values ranging from 3 (white wine) to 5.5 (lemon juice). Stomach secretions, with a pH of 2, are the most acidic option and tomato juice with a pH of 4 is also significantly more acidic than human blood. Therefore, option B is the best choice.

Which of the Following Substances Would Be Nearest the PH