Purification of aluminium oxide, a chemical process Animation Play

Quadratic equation Whiteboard exercise Play

Quadratic equation Whiteboard exercise Play

Quadratic equation Student activity Play

Quadratic equation with a parameter Animation Play

Quadratic equation – example Animation Play

Quadratic equations Class activity Play

Quadratic equations Whiteboard presentation Play

Quadratic equations and inequalities Whiteboard exercise Play

Quadratic inequalities and geometry Student activity Play

Quadratic inequalities – using a parameter Animation Play

Quantitative composition of a chemical compound Animation Play

Ranges of chemical shifts for 1H atoms commonly found in organic molecules Chart Play

Ranges of chemical shifts for hydrogen atoms found in organic molecules Chart Play

Rate equation and order of reaction Whiteboard exercise Play

Rate equation and order of reaction Student activity Play

Rational equations Whiteboard exercise Play

Ratios Whiteboard presentation Play

Ratios Class activity Play

Reaction of sodium with water Animation Play

Reaction of sodium with water Animation Play

Reaction of zinc metal with hydrochloric acid Animation Play

Reaction yields Student activity Play

Reaction yields Whiteboard exercise Play

Reactions between alkali metals and water Student activity Play