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HomeCXC CSEC Integrated ScienceElements, Compounds and Mixtures
CXC · CSEC · Integrated Science

Elements, Compounds and Mixtures
Practice Questions

20 CXC CSEC Integrated Science questions on Elements, Compounds and Mixtures, 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 Elements, Compounds and Mixtures.

Try 2 sample questions on Elements, Compounds and Mixtures

Question 1 · 1 mark · Difficulty 1/3

Which of the following represents a compound?

  1. O₂
  2. NaCl
  3. Cu
  4. N₂
Show answer & explanation
✓ Answer: BNaCl
Award 1 mark for NaCl (sodium chloride). NaCl contains two different elements (sodium and chlorine) chemically combined. A is incorrect — O₂ is an element (contains only oxygen atoms). C is incorrect — Cu is the symbol for the element copper. D is incorrect — N₂ is an element (contains only nitrogen atoms).
Question 2 · 1 mark · Difficulty 2/3

A student in a Trinidad laboratory heated a sample of sugar (sucrose) strongly in a test tube. The sugar turned black and a gas was released. Which statement best explains why sugar is classified as a compound?

  1. Sugar can be broken down into simpler substances by heating
  2. Sugar dissolves easily in water to form a solution
  3. Sugar is made up of tiny particles called molecules
  4. Sugar can be separated from water by evaporation
Show answer & explanation
✓ Answer: ASugar can be broken down into simpler substances by heating
Award 1 mark for recognising that compounds can be broken down into simpler substances by chemical means (heating). B is incorrect — dissolving is a physical property shown by many mixtures. C is incorrect — elements can also exist as molecules. D is incorrect — evaporation separates mixtures, not compounds.
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20 questions · 25 min · free

CXC CSEC Integrated Science: Elements, Compounds and Mixtures FAQ

How many CXC CSEC Integrated Science questions on Elements, Compounds and Mixtures are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Elements, Compounds and Mixtures for CXC CSEC Integrated Science, 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 Integrated Science?
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 Elements, Compounds and Mixtures practice with other Integrated Science 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 Elements, Compounds and Mixtures questions aligned to the official CXC CSEC Integrated Science syllabus?
Every question is written against the published CXC CSEC Integrated Science 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 Elements, Compounds and Mixtures typically tested on CXC CSEC Integrated Science papers?
Elements, Compounds and Mixtures appears across multiple question types on real CXC CSEC Integrated Science 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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