Crude oil Student activity Play

Crystal lattice of covalent compounds Student activity Play

Decomposition Animation Play

Decomposition of hydrogen peroxide Animation Play

Decomposition reaction Slideshow Play

Denoting the content of a problem in the form of algebraic expressions Whiteboard exercise Play

Density Class activity Play

Density Whiteboard presentation Play

Density of gases Student activity Play

Density of gases Whiteboard exercise Play

Depletion of the Earth's ozone layer Student activity 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

Determination of molecular structure Student activity Play

Determination of rate equations Student activity Play

Determining the concentration of a solution using titration Student activity Play

Determining the content of oxalic acid in rhubarb Animation Play

Determining the electron configuration on the basis of the periodic table Student activity Play

Determining the empirical formula Whiteboard exercise Play

Determining the empirical formula Student activity Play

Determining the formula of a compound knowing the valence of its elements Student activity Play

Determining the molecular formula Animation Play

Determining the starch content of leaves Animation Play