ASVAB General Science Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 460

What does a pH of 0 signify in terms of acidity?

It is the least acidic

It is fully neutral

It is the most acidic

A pH of 0 indicates a very high concentration of hydrogen ions in a solution, making it extremely acidic. The pH scale ranges from 0 to 14, with lower values indicating stronger acids. A pH of 7 is considered neutral, meaning that the concentrations of hydrogen and hydroxide ions are equal. Since a pH of 0 is at the very bottom of this scale, it represents the most extreme acidity possible, which is why it is identified as the most acidic. Understanding the pH scale is crucial in chemistry and biology, as it directly affects various chemical processes and biological systems.

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It is slightly basic

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