Public learning track
Selecting Purification Techniques and Separation Pathways
10th Grade · Science · UK GCSE
6 lessons
Goal
Evaluate physical properties of mixtures and design multi-stage purification pathways using filtration, crystallisation, distillation, and chromatography.
Featured Diagrams
Analysing Physical Properties to Select Separation Methods
6 lessons
0 of 6 done
- 1Analysing Physical Properties to Select Separation MethodsUp nextStart
- 2Multi-Stage Purification of Complex Solid-Liquid MixturesPremiumNot started yet
- 3Purifying Synthesised Organic and Inorganic ProductsNot started yet
- 4Assessing Purity of Separated Fractions and ProductsNot started yet
- 5Exam Mastery: 6-Mark Separation Pathway DesignNot started yet
- 6Synoptic Separation and Analysis Problem SolvingNot started yet
Standards Covered
- UK-GCSE-SCIENCE-CHEM-CA-01-03General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10describe, explain and exemplify the processes of filtration, crystallisation, simple distillation, and fractional distillation
- UK-GCSE-SCIENCE-CHEM-CA-01-06General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10suggest suitable purification techniques given information about the substances involved
- UK-GCSE-SCIENCE-CHEM-CA-01-07General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10use melting point data to distinguish pure from impure substances
- UK-GCSE-SCIENCE-CHEM-CA-01-08General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10suggest chromatographic methods for distinguishing pure from impure substances
- UK-GCSE-SCIENCE-CHEM-CA-01-04General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10recall that chromatography involves a stationary and a mobile phase and that separation depends on the distribution between the phases
- UK-GCSE-SCIENCE-CHEM-CA-01-05General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10interpret chromatograms, including measuring Rf values
Curriculum Framework
10th Grade · Science · UK GCSE
1
6 lessons
Purity and Melting Point Analysis
Distinguish between pure and impure substances using melting point data, heating curves, and scientific definitions.
2
6 lessons
Filtration and Crystallisation Techniques
Describe, explain, and select appropriate filtration and crystallisation methods to separate insoluble and soluble solids from mixtures.
3
6 lessons
Simple and Fractional Distillation
Explain the physical principles and apparatus of simple and fractional distillation to separate solvents and miscible liquid mixtures.
4
6 lessons
Paper Chromatography: Principles and Phases
Explain how chromatography separates mixtures based on differential distribution between stationary and mobile phases and distinguish pure from impure substances.
5
6 lessons
Interpreting Chromatograms and Rf Values
Measure distances accurately on chromatograms, calculate retention factors (Rf values), and identify unknown substances in mixtures.
6
6 lessons
Selecting Purification Techniques and Separation Pathways
Evaluate physical properties of mixtures and design multi-stage purification pathways using filtration, crystallisation, distillation, and chromatography.