Appearance of copper sulphide Illustration Play

Classification of mixtures Student activity Play

Copper sulphide Student activity Play

Copper sulphide Animation Play

Copper sulphide ore Slideshow Play

Discovery of electron Animation Play

Discovery of elementary particles Student activity Play

Dissociation of acids Student activity Play

Early atomic theories Student activity Play

Effect of concentration on reaction equilibrium Student activity Play

Effect of concentration on reaction equilibrium Whiteboard exercise Play

Formation of oxides Student activity Play

Formation of oxides Whiteboard exercise Play

Hydrogen sulphide Illustration Play

Hydrogen sulphide Animation Play

Ionisation enthalpy and electron affinity Student activity Play

Iron content in pyrite Whiteboard exercise Play

Iron ores Student activity Play

Iron, the most common metal Student activity Play

Methods for metal extraction Student activity Play

Minerals and ores Whiteboard exercise Play

Minerals and ores Student activity Play

Minerals containing iron Animation Play

Minerals of iron Slideshow Play

Occurrence of sulphur Whiteboard exercise Play