Separating Substances
Review the essentials and check your understanding after your teacher’s explanation.
Choose a separation method选择分离方法
Learn why filtration and evaporation solve different problems.
Complete this core task when your teacher assigns the topic. Use the short recall cards before class.按老师指定的知识点完成网页预习，周内用提示卡回忆；不是整章预习。
Choose a topic
Solutions and purity
Distinguish solutions from suspensions and use melting data to assess purity.
Filtration and crystallisation
Recover both an insoluble solid and a dissolved solid from a mixture.
Simple and fractional distillation
Explain how distillation recovers a solvent or separates a mixture of liquids.
Paper chromatography
Set up paper chromatography and interpret a chromatogram.
Rf and colourless substances
Calculate Rf and explain how a locating agent reveals colourless substances.
Consolidation practice
Choose a separation method and explain your choice.
Printable worksheets
Consolidation worksheet
A 40-minute support lesson with worked examples, short practice and space for corrections.
Download DOCX ↓Printable hint cards
Use a card when you need a starting step, then return to the question. Chapter 2 cards are on pages 3 of the collection. Print the relevant pages and cut out the cards you need.
Download hint cards DOCX ↓