Determination of reaction rate by measuring the volume or pressure of the gas evolved Student activity Play

Determination of the reducing or oxidising ability of a chemical species Animation Play

Diagram of protein synthesis in the organism Illustration Play

Different chemical reactions Slideshow Play

Different physical and chemical properties of isomers Animation Play

Different types of chemical energy Slideshow Play

Digestive enzymes and chemical digestion Whiteboard exercise Play

Dinitrogen tetroxide – nitrogen dioxide chemical equilibrium Animation Play

Distinguish between a physical and a chemical change Whiteboard exercise Play

Distinguish between a physical and a chemical changes Whiteboard exercise Play

DNA synthesis Whiteboard exercise Play

DNA; RNA and protein synthesis Whiteboard exercise Play

DNA; RNA and protein synthesis Student activity Play

Does a chemical compound have a constant composition? Whiteboard exercise Play

Does a chemical compound have a constant composition? Student activity Play

Dynamic state of chemical equilibrium Student activity Play

Dynamic state of chemical equilibrium Whiteboard exercise Play

Early attempts to classify chemical elements Whiteboard exercise Play

Early attempts to classify chemical elements Student activity Play

Early attempts to classify chemical elements Whiteboard exercise Play

Early attempts to classify chemical elements (1) Student activity Play

Early attempts to classify chemical elements (2) Student activity Play

Effect of a change in reactant concentration on the rate of a chemical reaction Animation Play

Effect of concentration on chemical equilibrium Simulation Play

Effect of concentration on chemical equilibrium Student activity Play