Corresponding and alternate angles Student activity Play

Covalent bond in hydrogen, fluorine and hydrogen fluoride molecules Animation Play

Current rectification Student activity Play

Current rectification Whiteboard exercise Play

d- and f-block elements Animation Play

Derivatives of hydrocarbons Student activity Play

Derivatives of hydrocarbons Animation Play

Destructive properties of sodium hydroxide Animation Play

Detecting the presence of certain elements in a chemical compound Animation Play

Detection and properties of fats Whiteboard exercise Play

Detection and properties of fats Student activity Play

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

Determination of the acidic properties of ethanol Animation Play

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

Devices that use microwaves Slideshow 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

Dilution of concentrated acids Student activity Play

Dinitrogen tetroxide – nitrogen dioxide chemical equilibrium Animation Play

Disinfection properties of halogens Slideshow Play

Distinguish between a physical and a chemical change Whiteboard exercise Play

Distinguish between a physical and a chemical changes Whiteboard exercise Play

Do alloys have different properties from pure metals? Simulation Play