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Reading the pH scale

Reading the pH scale

pH scale from 0 to 14 showing acidic, neutral, and alkaline regions; indicator colours; ion concentration trends; and methods for measuring pH

The pH scale runs from 0 to 14 and shows how acidic or alkaline a solution is. Values below 7 are acidic, pH 7 is neutral, and values above 7 are alkaline.

4.2.4 The pH scale and neutralisation Lesson

  1. GCSE
  2. /Chemistry
  3. /4.2.4 The pH scale and neutralisation

Step-by-step lessons covering AQA GCSE Chemistry 4.2.4 The pH scale and neutralisation for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

Lessons