Carbon monoxide as a dangerous substance Animation Play

Carbon soot Student activity Play

Carbon–carbon bonds Student activity Play

Carboxyl group Illustration Play

Carboxyl group Animation Play

Catalysts and equilibrium Student activity Play

Catalysts are not used up in the reaction Whiteboard exercise Play

Catalysts are not used up in the reaction Student activity Play

Catalysts in industry Student activity Play

Cellular respiration Animation Play

Cellular respiration and energy production Whiteboard presentation Play

Cellular respiration and energy production Class activity Play

CFCs and ozone layer depletion Student activity Play

CFCs deplete ozone in stratosphere Animation Play

Change in oxidation state Animation Play

Changes in the properties of the oxides of Period 3 Whiteboard exercise Play

Changing the concentration of a solution by dilution Animation Play

Changing the redox properties of the central ion Animation Play

Characteristic features of terrestrial and aquatic environments Whiteboard exercise Play

Chemical analysis Slideshow Play

Chemical change Student activity Play

Chemical composition of sea water Student activity Play

Chemical elements of the cell Whiteboard presentation Play

Chemical elements of the cell Class activity Play

Chemical elements that make up black soil Illustration Play