Edexcel IGCSE Chemistry 1.10 Separation techniques
Practise choosing and describing separation methods for mixtures, using apparatus diagrams, products and boiling point evidence.
- Syllabus
- First assessment 2019
- Course
- Chemistry 4CH1
Exam points
- choose filtration, crystallisation, chromatography or distillation for a named mixture
- label distillation apparatus and explain vapour cooling and condensation in the condenser
- describe how to obtain pure dry crystals by heating, cooling and separating excess liquid
1.10 Separation techniques question 1
This question is about apparatus used in the laboratory.
The diagram shows apparatus used to obtain pure water from sodium chloride solution by simple distillation.
Explain why it is necessary for water to flow continuously in and out of the apparatus.
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