Catalysts are not used up in the reaction Student activity Play

Catalysts are selective Student activity Play

Catalysts are selective Whiteboard exercise Play

Catalysts in industry Student activity Play

Catalytic converters Slideshow Play

Catalytic cracking Audio text Play

Catalytic dehydration of ethanol Animation Play

Catalytic formation of ammonia Animation Play

Cellular catalysts Student activity Play

CFCs and ozone layer depletion Student activity Play

CFCs deplete ozone in stratosphere Animation Play

Changes in electronegativity across Period 3 Animation Play

Changes in state Student activity Play

Changes in the atomic radius of s-block elements within the period Animation Play

Changes in the conductivity of Period 3 elements Animation Play

Changes in the first ionisation energy across Period 3 Animation Play

Changes of state Whiteboard exercise Play

Charge transfer absorption of transition metals at high oxidation state Animation Play

Chemical change Student activity Play

Chemical digestion – the role of enzymes Student activity Play

Chemical energy sources Student activity Play

Chemical properties of s-block elements Class activity Play

Chemical properties of s-block elements Whiteboard presentation Play

Chemical reduction Animation Play

Chromium(III) and iron(II) compounds Animation Play