Question

question 7 (1 point)
listen
which of the following accurately describes the ph scale?
a) the ph scale runs from 0 (neutral) to 14 (most acidic), with 7 as an average acidity level.
b) the ph scale runs from 0 (most basic) to 14 (most acidic), with 7 as a neutral.
c) the ph scale runs from 0 (most acidic) to 14 (most basic), with 7 as a neutral.
d) the ph scale runs from 0 (most acidic) to 14 (neutral), with 7 as an average acidity level.

Explanation:

To determine the correct description of the pH scale, we recall the following: The pH scale measures the acidity or basicity of a solution. A pH of 7 is neutral (e.g., pure water). Values less than 7 are acidic, and as the pH decreases from 7 to 0, the solution becomes more acidic. Values greater than 7 are basic (alkaline), and as the pH increases from 7 to 14, the solution becomes more basic.

• Option A: Incorrect. A pH of 0 is most acidic (not neutral), and 14 is most basic (not most acidic). Also, 7 is neutral, not an "average acidity level."
• Option B: Incorrect. A pH of 0 is most acidic (not most basic), and 14 is most basic (not most acidic).
• Option C: Correct. The pH scale ranges from 0 (most acidic) to 14 (most basic), with 7 being neutral.
• Option D: Incorrect. A pH of 14 is most basic (not neutral), and 7 is neutral (not an "average acidity level").

Answer:

C) The pH scale runs from 0 (most acidic) to 14 (most basic), with 7 as a neutral.