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Multiple Choice
On the pH scale, a substance with a pH of is best described as which of the following?
A
Slightly basic
B
Neutral
C
Strongly basic
D
Slightly acidic
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Verified step by step guidance
1
Recall that the pH scale ranges from 0 to 14, where a pH of 7 is considered neutral, values less than 7 indicate acidity, and values greater than 7 indicate basicity.
Understand that the term 'slightly acidic' refers to substances with pH values just below 7, typically between 4 and 6, indicating a mild acidic nature.
Recognize that a pH of 6 is less than 7 but close to neutral, so it is not strongly acidic but slightly acidic.
Eliminate options that describe basicity (slightly basic or strongly basic) because a pH less than 7 cannot be basic.
Conclude that a substance with a pH of 6 is best described as slightly acidic based on its position on the pH scale.