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CXC · CSEC · Chemistry

Separation Techniques
Practice Questions

20 CXC CSEC Chemistry questions on Separation Techniques, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Separation Techniques.

Try 2 sample questions on Separation Techniques

Question 1 · 1 mark · Difficulty 1/3

A student in a Jamaican school laboratory wants to obtain pure water from a sample of sea water collected from Kingston Harbour. Which separation technique would be MOST suitable?

  1. Filtration
  2. Simple distillation
  3. Evaporation
  4. Decanting
Show answer & explanation
✓ Answer: BSimple distillation
Award 1 mark for identifying distillation as the method to obtain pure water from a solution. A is incorrect — filtration separates insoluble solids from liquids, not dissolved salts. C is incorrect — evaporation would leave salt behind but the water would be lost as vapour. D is incorrect — decanting separates immiscible liquids or liquids from settled solids.
Question 2 · 1 mark · Difficulty 1/3

In the production of rum in Trinidad, the fermented sugar cane juice must be separated from the solid residue. Which technique is used for this initial separation?

  1. Chromatography
  2. Fractional distillation
  3. Filtration
  4. Sublimation
Show answer & explanation
✓ Answer: CFiltration
Award 1 mark for recognising filtration separates insoluble solid particles from a liquid. A is incorrect — chromatography separates dissolved substances based on their different rates of movement. B is incorrect — fractional distillation separates miscible liquids with different boiling points (used later in rum production). D is incorrect — sublimation is for solids that change directly to gas.
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20 questions · 25 min · free

CXC CSEC Chemistry: Separation Techniques FAQ

How many CXC CSEC Chemistry questions on Separation Techniques are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Separation Techniques for CXC CSEC Chemistry, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CXC paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CXC CSEC students preparing for Chemistry?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Separation Techniques practice with other Chemistry topics or even switch to a totally different CXC subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Separation Techniques questions aligned to the official CXC CSEC Chemistry syllabus?
Every question is written against the published CXC CSEC Chemistry specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC.
How is Separation Techniques typically tested on CXC CSEC Chemistry papers?
Separation Techniques appears across multiple question types on real CXC CSEC Chemistry papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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