Balancing equations for redox reactions in alkaline solution using half-equations Animation Play

Base-promoted hydrolysis Animation Play

Basic oxides Animation Play

Biochemical tests; chromatography; electrophoresis and separation of tissues Class activity Play

Biochemical tests; chromatography; electrophoresis and separation of tissues Whiteboard presentation Play

Buffer range Student activity Play

Buffer solutions Student activity Play

Buffer solutions Whiteboard exercise Play

Buffering action Student activity Play

Carbohydrates – as storage materials and structural elements Student activity Play

Catabolic reactions Animation Play

Cell respiration Whiteboard presentation Play

Cell respiration Class activity Play

Chemical composition of cells Class activity Play

Chemical digestion and digestive enzymes Student activity Play

Chemical hydrolysis of sucrose Animation Play

Chemical properties of oxides Student activity Play

Colours of indicators Student activity Play

Concentration of hydrogen and hydroxide ions in pure water Animation Play

Detection of saccharides – non-reducing sugars Student activity Play

Determination of reaction rate by mass, conductometric and colorimetric measurements Student activity Play

Determination of the acidic properties of ethanol Animation Play

Determining the primary structure Animation Play

Digestive enzymes and digestion Student activity Play

Disaccharides Student activity Play