Crude oil Whiteboard exercise Play

Crude oil Student activity Play

Crystal lattice of covalent compounds Student activity Play

Dative (coordinate) bond Student activity Play

Dative bond in the ammonium cation Animation Play

Decomposition Animation Play

Decomposition of ammonia on a metal surface Animation Play

Decomposition of hydrogen iodide Animation Play

Decomposition of hydrogen peroxide Animation Play

Decomposition of hydrogen peroxide Animation Play

Decomposition of hydrogen peroxide Animation Play

Decomposition reaction Slideshow Play

Density Class activity Play

Density Whiteboard presentation Play

Density of gases Student activity Play

Density of gases Whiteboard exercise Play

Density of hydrogen Animation Play

Depletion of the Earth's ozone layer Student activity Play

Deriving the expression for equilibrium constant for ammonia synthesis reaction Animation Play

Deriving the expression for equilibrium constant for ammonia synthesis reaction Animation Play

Detection of hydrogen Animation Play

Detection of oxygen Animation Play

Detection of some gases Student activity Play

Determination of enthalpy change in combustion reactions (1) Student activity Play

Determination of formulae of compounds Whiteboard exercise Play