Origin of crude oil (1) Student activity Play

Origin of fossil fuels Student activity Play

Osmosis – the diffusion of water molecules Animation Play

Other ways to accelerate chemical reactions Student activity Play

Oxidation and reduction reactions Student activity Play

Oxidation states of nitrogen Animation Play

Oxidation states of the p-block elements in their commonest chemical compounds Student activity Play

Oxidation states of cobalt, nickel and zinc Animation Play

Oxidative deamination Slideshow Play

Oxidising agents used in organic chemistry Animation Play

Partial pressure and molar fraction Whiteboard exercise Play

Partial pressure and molar fraction Student activity Play

pH curves for the titration of weak acids and bases Animation Play

pH of ammonia solution Animation Play

pH of ammonium chloride solution Animation Play

pH of buffer solutions Student activity Play

pH range of alkaline buffer Animation Play

Phenolphthalein as an example of an indicator Student activity Play

Phosphatic fertilisers Student activity Play

Physical properties of giant molecules of different structures Chart Play

pKa and pKb values (1) Student activity Play

pKa and pKb values (2) Whiteboard exercise Play

pKa and pKb values (2) Student activity Play

Polar and non-polar molecules Illustration Play

Polar and non-polar molecules Student activity Play