ZIMSEC O-Level Combined Science
7.2.1.1Separating mixtures
Separating mixtures in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic60 practice questions3 lessons
Overview
Forms 1 to 4.
Learning objectives
What the syllabus expects you to be able to do.
- 7.2.1.1.1State methods of separating mixtures: filtration, magnetism, winnowing, decanting and evaporation.
- 7.2.1.1.2State applications of these methods, such as treating water, separating grain and removing metal objects from grain before grinding.
- 7.2.1.1.3Describe distillation and fractional distillation.
- 7.2.1.1.4Describe paper chromatography and its applications.
Lessons
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Chromatography
30 min
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Fractional distillation and steam distillation
30 min
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Separating mixtures
30 min
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Sample question
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