The Chemist's tools 9.1.7 - Changes of state
Matter: states and properties of matter.
Particle/kinetic theory, diffusion.
Pure and impure substances. Types of mixtures (solutions, oils, alloys, emulsions)
Separation techniques, including filtration, distillation [including crude oil - myp10], chromatography.
Measuring temperature. The absolute (Kelvin) and Celsius scales.
Phenol is not a particularly nice substance and can cause burns if it comes into contact with the skin. The test tubes of phenol should be prepared in advance.
A sodium hydrogencarbonate solution can be kept handy to wash any spilt phenol.