Acids, Bases and the pH Scale

A pH scale from 0 to 14 with examples of substances at various points: Battery acid and lemon at pH 1 (acidic), soda at pH 3, tomato at pH 4, coffee at pH 5, milk at pH 6, pure water at pH 7 (neutral), blood at pH 8, egg white at pH 9, stomach tablets at pH 10, ammonia solution at pH 11, soap at pH 12, bleach at pH 13, and drain cleaner at pH 14 (alkaline). The scale is color-coded, showing red for acidic, green for neutral, and purple for alkaline.

You’ve used 0 of your 10 free revision notes for the month

Sign up to get unlimited access to revision notes, quizzes, audio lessons and more

Sign up