Home General science MCQs

Question

What does the pH scale measure?

  1. Temperature
  2. Acidity or alkalinity
  3. Density
  4. Volume

Answer:

Option B: Acidity or alkalinity

Detailed Solution:

The correct answer is “Acidity or alkalinity”.

The pH scale measures the acidity or alkalinity (basicity) of a solution, ranging from 0 (highly acidic) to 14 (highly alkaline), with 7 being neutral.