Choosing an indicator for the titration of a weak acid or a weak base Chart Play

Colourful world of azo dyes Animation Play

Comparing the pH values for different solutions of the same concentration Animation Play

Control and regulation of the organism Whiteboard exercise Play

Control and regulation of the organism Student activity Play

Converting pound into kilogram Whiteboard exercise Play

Density of liquids Student activity Play

Determination of reaction rate by mass, conductometric and colorimetric measurements 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

Diagnosis of coronary heart disease Student activity Play

Do alcohols have acidic properties? Student activity Play

Dynamic equilibrium Student activity Play

Effect of concentration on reaction equilibrium Student activity Play

Electrophoresis of amino acids Student activity Play

Enzymatic reactions Student activity Play

Enzymatic reactions Whiteboard exercise Play

Enzyme activity and environmental conditions Student activity Play

Enzymes are specific and selective (2) Student activity Play

Equation for the neutralisation of power station emissions Illustration Play

Equations for neutralisation reactions Illustration Play

Ethanoic acid Animation Play

Factors affecting the pH of a metal salt solution Animation Play

Factors affecting the rate of enzyme-catalysed reactions Student activity Play

Factors influencing bacterial growth Student activity Play