Multiple choice

What is the strength of an acid or base measured on a scale called?

  1. Vernier Scale

  2. Musical scale

  3. pH scale

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The pH scale (0-14) measures how acidic or basic a solution is - pH < 7 is acidic, pH > 7 is basic, pH 7 is neutral. Vernier scale measures length, musical scale is for music. pH scale is the correct answer.