Mixtures and separation techniques — KCSE Chemistry
KCSE Chemistry · 65 practice questions · 4 syllabus objectives
What You'll Learn
Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.
Distinguish between mixtures and pure substances and give examples
Describe and explain the principles of filtration, distillation, crystallisation, chromatography and fractional distillation
Select and justify an appropriate separation technique given a description of a mixture
Mixtures and separation techniques
Sample Questions
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A mixture contains sand, salt, and small pebbles. Describe how you would separate the components of this mixture, stating the technique used for each step. (4 marks)
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Identify two separation techniques that can be used to separate a mixture of salt and water. (2 marks)
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Identify two methods that could be used to separate a mixture of sand and water. (2 marks)
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Why Practise Mixtures and separation techniques?
KNEC Aligned
Questions match the KCSE syllabus objectives and exam format exactly.
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