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Pearson Edexcel International · IGCSE · Chemistry

Free Pearson Edexcel International IGCSE Chemistry
Practice Paper

8 mixed-difficulty practice questions in the style of real Pearson Edexcel International IGCSE papers — answers, mark-scheme-style explanations, and the official exam structure all on one page.

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What the real Pearson Edexcel International IGCSE Chemistry paper looks like

Paper 1
Objective and short-answer questions covering the breadth of the specification.
Paper 2
Structured and extended-response questions testing depth of understanding.
Total exam time varies by board and tier — typically 2.5 to 3.5 hours.
Grading: See the official board specification for the current grading scale.

Mini practice paper: 8 questions

Mixed-difficulty questions from across the Chemistry syllabus. Tap "Show answer" after each to check yourself.

Q1 · Difficulty 1/3

Methane reacts with chlorine in the presence of ultraviolet light. What type of reaction is this?

  1. addition
  2. substitution
  3. polymerisation
  4. oxidation
Show answer & explanation
✓ Answer: B — substitution
Award 1 mark for identifying the reaction as substitution. A is incorrect — addition reactions occur with unsaturated compounds, not alkanes. C is incorrect — polymerisation involves joining many small molecules together. D is incorrect — while combustion is oxidation, the reaction with chlorine in UV light is substitution where hydrogen atoms are replaced by chlorine atoms.
Q2 · Difficulty 1/3

What is organic chemistry?

  1. The study of all chemicals
  2. The chemistry of carbon-containing compounds
  3. The study of metals
  4. The study of acids and bases
Show answer & explanation
✓ Answer: B — The chemistry of carbon-containing compounds
Organic chemistry is the branch of chemistry dealing with carbon-containing compounds and their reactions. Carbon can form 4 bonds and long chains.
Q3 · Difficulty 1/3

Group 7 elements are the:

  1. alkali metals
  2. noble gases
  3. alkaline earth metals
  4. halogens
Show answer & explanation
✓ Answer: D — halogens
Group 7 are the halogens.
Q4 · Difficulty 2/3

A mixture of a metal with other elements to improve properties is an:

  1. ore
  2. acid
  3. alloy
  4. isotope
Show answer & explanation
✓ Answer: C — alloy
Alloys are designed to improve properties.
Q5 · Difficulty 2/3

The most abundant gas in the atmosphere is:

  1. nitrogen
  2. oxygen
  3. carbon dioxide
  4. argon
Show answer & explanation
✓ Answer: A — nitrogen
Nitrogen is about 78% of air.
Q6 · Difficulty 2/3

The simplest alkane is:

  1. butane
  2. methane
  3. ethane
  4. propane
Show answer & explanation
✓ Answer: B — methane
Methane (CH₄) is the simplest alkane.
Q7 · Difficulty 1/3

A finite resource obtained from the Earth is:

  1. tidal energy
  2. crude oil
  3. sunlight
  4. wind
Show answer & explanation
✓ Answer: B — crude oil
Crude oil is finite (non-renewable).
Q8 · Difficulty 2/3

Sulfur dioxide released from burning fuels causes:

  1. clean water
  2. acid rain
  3. global cooling
  4. the ozone layer
Show answer & explanation
✓ Answer: B — acid rain
Sulfur dioxide causes acid rain.
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Pearson Edexcel International IGCSE Chemistry FAQ

What does the Pearson Edexcel International IGCSE Chemistry exam look like?
The Pearson Edexcel International IGCSE Chemistry exam is structured across 2 components. Paper 1: Objective and short-answer questions covering the breadth of the specification. Paper 2: Structured and extended-response questions testing depth of understanding. Total exam time varies by board and tier — typically 2.5 to 3.5 hours.
Can I download a free Pearson Edexcel International IGCSE Chemistry past paper?
Real Pearson Edexcel International past papers are published directly by Pearson Edexcel International on their official website. Kramizo doesn't redistribute copyrighted past papers, but we do generate free AI-written practice papers in the exact same style — same command words, same difficulty tier, same mark conventions. Use this practice paper as warm-up, then time yourself on official past papers before exam day.
How is Pearson Edexcel International IGCSE Chemistry graded?
See the official board specification for the current grading scale. Kramizo's practice questions are tagged with difficulty 1-3 mapping roughly to the lower, middle, and top grade boundaries you'll encounter in the real exam.