Fractionation of petroleum Illustration Play

Free energy change for the dehydration of magnesium hydroxide Chart Play

Good and bad: fats; alcohol and salt Illustration Play

Groups in the periodic table Student activity Play

Groups in the periodic table Student activity Play

Halogen lights Illustration Play

Hardness of water Student activity Play

Hardness of water Animation Play

Heavy metals Animation Play

Homogeneous and heterogeneous mixtures Whiteboard exercise Play

How acids react with bases Student activity Play

How acids react with carbonates Student activity Play

How do metals react with water and steam? Animation Play

How do the uses of a metal depend on its reactivity? Slideshow Play

How metals react with acids Student activity Play

How metals react with oxygen Student activity Play

How metals react with water Student activity Play

How plants obtain the substances necessary for life Slideshow Play

How the concentration of a reactant affects reaction rate Animation Play

How the concentration of a reactant affects reaction rate Student activity Play

How to establish the formulae of salts Whiteboard exercise Play

How to establish the formulae of salts Student activity Play

Hydration Animation Play

Hydrolysis of amides Animation Play

Hydrolysis of salts in water solution Animation Play