Lactic acid Animation Play

Lactic acid Simulation Play

Lactic acid Slideshow Play

Lactic acid bacteria Illustration Play

Law of mass action Animation Play

Le Chatelier's principle Whiteboard exercise Play

Le Chatelier's principle Student activity Play

Lewis theory and earlier acid-base theories Animation Play

Lewis theory of acids and bases Student activity Play

Lewis theory of acids and bases Whiteboard exercise Play

Limestone Illustration Play

Limitations of acid-base titrations Chart Play

Limitations of acid-base titrations Student activity Play

Limiting factor Animation Play

Lipids – structure; function and sources in food Student activity Play

Living with HIV Student activity Play

Living with HIV Whiteboard exercise Play

Logarithms in chemistry Student activity Play

Macroelements Student activity Play

Making salts Student activity Play

Making salts by neutralisation Animation Play

Manufacture of hydrogen Whiteboard exercise Play

Manufacture of sulphuric(VI) acid Whiteboard exercise Play

Manufacture of sulphuric(VI) acid Student activity Play

Manufacture of sulphuric(VI) acid from sulphur Animation Play