Separating substances
Why this, why now
This unit explores purification techniques, including filtration, crystallisation, and distillation. It explains formulations, uses chromatographic methods to identify pure and impure substances, and interprets chromatograms with Rf values. The emphasis is on accurate measurements.
Prior knowledge requirements
- Ardaydu waa inay yaqaanaan aasaaska maadada.
- Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 4 / 8
Separating substances
This unit explores purification techniques, including filtration, crystallisation, and distillation. It explains formulations, uses chromatographic methods to identify pure and impure substances, and interprets chromatograms with Rf values. The emphasis is on accurate measurements.
18 lessons- Wastewater treatment
- Filtration
- Separating mixtures (including formulations)
- Separating mixtures
- Distillation: separating a mixture of inks
- Potable water
- Solutions
- Interpreting chromatograms
- Chromatography: separating a mixture of inks
- Chromatography: paper
- Water sample analysis: distillation
- Comparing types of chromatography: including gas chromatography
- Distillation: simple distillation
- Crystallisation
- Distillation: fractional distillation
- Water sample analysis: pH
- Potable water: including sedimentation
- Water sample analysis: dissolved solids