Cleansing action of soaps and detergents Animation Play

Cleansing action of soaps and detergents Student activity Play

Coagulation Whiteboard exercise Play

Coagulation Student activity Play

Colloids. Washing in water Class activity Play

Colloids. Washing in water Whiteboard presentation Play

Emulsifying agent Animation Play

Emulsifying agents Whiteboard exercise Play

Emulsifying agents Student activity Play

Gels Student activity Play

Gels Whiteboard exercise Play

How do emulsifying agents work? Animation Play

How to distinguish between a true solution, a colloid and a suspension Animation Play

Oil and water Slideshow Play

Process of coagulation Animation Play

Removal of dirt Animation Play

Soaps and detergents Whiteboard exercise Play

Soaps and detergents Student activity Play

Structure of gels Animation Play

Substances forming gels Slideshow Play

The behaviour of soap and detergent molecules in water Animation Play

The effect of water hardness on the cleansing action of soap and detergents Slideshow Play

The structure of soaps and detergents Animation Play

Types of colloid Student activity Play

Types of colloid Slideshow Play