Homologous series of alkenes Student activity Play

How to find out whether a given material is a pure substance or a mixture? Animation Play

Hydrogen bonding in ammonia-water mixture Whiteboard exercise Play

Identification of amino acid contained in proteins Animation Play

Iron extraction Student activity Play

Iron, the most common metal Student activity Play

Iron, the most common metal Whiteboard exercise Play

Le Chatelier's principle for gas reactions Student activity Play

Main process Animation Play

Measuring conductance changes in the reaction mixture Animation Play

Measuring mass changes in the reaction mixture Animation Play

Measuring the colour changes of the reaction mixture Animation Play

Metal alloys Student activity Play

Mixture analysis Animation Play

Mixture or compound? Whiteboard exercise Play

Mixtures Whiteboard presentation Play

Mixtures Class activity Play

Origin of crude oil (2) Student activity Play

Other mixtures Student activity Play

Partial pressure and molar fraction Student activity Play

Particle theory Class activity Play

Petroleum Student activity Play

Physical change and chemical change Student activity Play

Physical changes Student activity Play

Physical changes in materials Whiteboard presentation Play