Reactions between metal halides and concentrated sulphuric acid Student activity Play

Reactions with metals Student activity Play

Role of cations in plant cells Slideshow Play

Role of macro-elements absorbed as cations Student activity Play

Salt hydrolysis Whiteboard exercise Play

Salt hydrolysis Student activity Play

Salts of strong acids and weak bases Student activity Play

Seawater Slideshow Play

Soaps Student activity Play

Soil as a source of minerals Student activity Play

Solubility of salts Student activity Play

Structure and properties of amines Whiteboard presentation Play

Structure and properties of amines Class activity Play

Structure and properties of quaternary ammonium salts Animation Play

Substances essential for the growth of plants Student activity Play

Synthesis of amines Animation Play

Testing for ions Whiteboard presentation Play

Testing for ions Class activity Play

The reaction between bromate and bromide ions Animation Play

The reaction between sodium and chlorine Animation Play

Types of mineral ions in the soil Animation Play

Using mean bond enthalpies in calculations. Part 1 Student activity Play