1.13 practical: investigate paper chromatography using inks/food colourings byBuild News -November 02, 2017
1.12 understand how to use the calculation of Rf values to identify the components of a mixture byBuild News -November 02, 2017
1.11 understand how a chromatogram provides information about the composition of a mixture byBuild News -October 25, 2017
1.10 describe these experimental techniques for the separation of mixtures: • simple distillation • fractional distillation • filtration • crystallisation • paper chromatography byBuild News -October 24, 2017
1.9 understand that a pure substance has a fixed melting and boiling point, but that a mixture may melt or boil over a range of temperatures byBuild News -October 22, 2017
1.8 understand how to classify a substance as an element, compound or mixture byBuild News -October 22, 2017