Salts of weak acids and weak bases Student activity Play

Salts of weak acids and weak bases Animation Play

Sampling Student activity Play

Sections of a cube Student activity Play

Sequence of bases in DNA Whiteboard exercise Play

Shampoo Animation Play

Similar prisms and pyramids Student activity Play

Similar pyramids Whiteboard exercise Play

Similar square-based pyramids Whiteboard exercise Play

Smog and acid rain Student activity Play

Soaps Student activity Play

Sodium hydroxide Animation Play

Solubility of hydroxides Whiteboard exercise Play

Solution of exponential equation Animation Play

Solving exponential equation Animation Play

Solving inequalities with increasing exponential functions Whiteboard exercise Play

Spontaneous chemical modifications of nitrogenous bases Slideshow Play

Standard solutions Student activity Play

Standardising of hydrochloric acid solution Animation Play

Strong and weak bases Student activity Play

Strong bases Animation Play

Strong bases Animation Play

Structure and base properties of aromatic amines Animation Play

Structure and properties of amines Whiteboard presentation Play

Structure and properties of amines Class activity Play