How to calculate the pH of strong base solutions? Animation Play

How to handle gases in a chemistry laboratory Student activity Play

How to write the numbers of molecules and numbers of atoms in a molecule Student activity Play

Human dependency on the natural environment Slideshow Play

Hydrogen + hydrogen Student activity Play

Hydrogen + hydrogen Whiteboard exercise Play

Hydrogen atoms on oxygen or nitrogen are usually not coupled to their neighbours Animation Play

Hydrogen bonding Student activity Play

Hydrogen bonding and boiling points Student activity Play

Hydrogen bonds in ammonia and water molecules Animation Play

Hydrogenation of benzene Student activity Play

Hydrogenation of benzene Whiteboard exercise Play

Hydroxide anion Animation Play

Identifying oxidation–reduction reactions Student activity Play

Identifying oxidation–reduction reactions Whiteboard exercise Play

Industrial synthesis of ethanol Simulation Play

Industrial uses of enzymes Class activity Play

Industrial uses of enzymes Whiteboard presentation Play

Influence of physical effort on the human body Animation Play

Inhaled and exhaled air Student activity Play

Inorganic fertilizers Student activity Play

Interaction in an ecosystem Student activity Play

Interaction in an ecosystem - statements Whiteboard exercise Play

Investigation of the effect of temperature on the rate of chemical reactions Animation Play

Ionisation enthalpy and electron affinity Student activity Play