Properties of soap Animation Play

Purification of water Student activity Play

Reaction of metal ions with alkalis Student activity Play

Reaction types Class activity Play

Reaction types Whiteboard presentation Play

Reaction with ammonia Animation Play

Reactions of complex ions Student activity Play

Reactions of halogens Class activity Play

Reactions of halogens Whiteboard presentation Play

Removing hardness from water Student activity Play

Removing permanent hardness of water Animation Play

Reversible and irreversible reactions Student activity Play

Salts Class activity Play

Salts Whiteboard presentation Play

Soaps Student activity Play

Solubility of salts Student activity Play

Solubility of salts Whiteboard exercise Play

Subject of investigation Whiteboard exercise Play

Tertiary treatment Animation Play

The desert environment Student activity Play

The hydrological cycle Animation Play

The origin of salt in the ocean and the salinity balance Whiteboard exercise Play

The origin of salt in the ocean and the salinity balance Student activity Play

Variables and cases Student activity Play

Wastewater purification Animation Play