IGCSE Topic Questions Chemistry Past Papers

IGCSE Chemistry Past Paper Topic Questions and Answers Free Download

Topic Questions + Markscheme + Videos Covering Complete syllabus + Solved Past Papers [Answers] available via the following link

igcse-chemistry-topic-questions-and-answers-pdf

Topic questions for the latest syllabus for 2026/2027/2028 Exams for 0620 / 0971 (9-1). Our website offers topic questions for the latest revised syllabus, with regular updates. Topic questions are just one of the resource-types it offers alongside solved past papers, video lessons, mind maps and notes.

Our topic questions are unique because we offer questions on the smallest of sub-topics that no other site offers.

IGCSE Chemistry Stoichiometry Topic Questions

igcse-topic-questions-and-markschemes-stoichiometry

The following are sample topic questions to help you make an informed purchase.

IGCSE Chemistry 0620 Topics (2026–2028)

The table below keeps all 12 Chemistry topics in syllabus order. Sample PDFs are currently available for Stoichiometry and Electrochemistry.

Topic Number	Topic Name	Paper 2	Paper 4	Paper 6
Topic 1	States of matter	Sample PDF links will be added here.	Sample PDF links will be added here.	Sample PDF links will be added here.
Topic 2	Atoms, elements and compounds	Sample PDF links will be added here.	Sample PDF links will be added here.	Sample PDF links will be added here.
Topic 3	Stoichiometry	Paper 2 IGCSE Chemistry Stoichiometry /Multiple Choice/ Topic Questions IGCSE Chemistry topic questions for Stoichiometry for Paper 2 have been broken down into the smallest concepts, so that you can practise every concept with ease. Formulae of ions QP3.12.1-Formulae-of-ions-Set-1-qp.pdf MS3.12.1-Formulae-of-ions-Set-1-ms.pdf Equations & state symbols QP3.0.1-Word-to-chemical-equation-Set-1-qp.pdf MS3.0.1-Word-to-chemical-equation-Set-1-ms.pdf QP3.0.0-Writing-state-symbols-Set-1-qp.pdf MS3.0.0-Writing-state-symbols-Set-1-ms.pdf Relative mass & moles QP3.9.1-Finding-mass-Set-1-qp.pdf MS3.9.1-Finding-mass-Set-1-ms.pdf QP3.3.1-Relative-molecular-atomic-mass-Set-1-qp.pdf MS3.3.1-Relative-molecular-atomic-mass-Set-1-ms.pdf QP3.3.1-Relative-molecular-atomic-mass-Set-2-qp.pdf MS3.3.1-Relative-molecular-atomic-mass-Set-2-ms.pdf Avogadro constant & molar gas volume QP3.8.1-Avogadro-constant-Set-1-qp.pdf MS3.8.1-Avogadro-constant-Set-1-ms.pdf QP3.7.1-Molar-gas-volume-Set-1-qp.pdf MS3.7.1-Molar-gas-volume-Set-1-ms.pdf Finding concentration QP3.5.1-Finding-concentration-Set-1-qp.pdf MS3.5.1-Finding-concentration-Set-1-ms.pdf Formula of compounds • Empirical & molecular QP3.1.1-Finding-formula-of-compounds-Set-1-qp.pdf MS3.1.1-Finding-formula-of-compounds-Set-1-ms.pdf QP3.10-Formula-of-compounds-Set-1-qp.pdf MS3.10-Formula-of-compounds-Set-1-ms.pdf QP3.4.1-Finding-molecular-formula-Set-1-qp.pdf MS3.4.1-Finding-molecular-formula-Set-1-ms.pdf QP3.6.1-Finding-empirical formula-Set-1-qp.pdf MS3.6.1-Finding-empirical formula-Set-1-ms.pdf Formulae — Compounds & Ions QP+MS3.8-Formulae-Compounds-Ions-Set-1-qp-ms.pdf QP+MS3.8-Formulae-Compounds-Ions-Set-2-qp-ms.pdf QP+MS3.8-Formulae-Compounds-Ions-Set-3-qp-ms.pdf Identifying the element QP3.2.1-Identifying-element-Set-1-qp.pdf MS3.2.1-Identifying-element-Set-1-ms.pdf	Paper 4 IGCSE Chemistry Stoichiometry /Extended Theory/ Topic Questions Paper 4 samples are shown as QP+MS because each PDF contains the question paper and mark scheme together. IGCSE Chemistry Topic Questions / Paper 4 / Topic Stoichiometry Calculate Volume: QP+MS3.1-Calculate volume-Set-1-qp-ms.pdf QP+MS3.1-Calculate volume-Set-2-qp-ms.pdf QP+MS3.1-Calculate volume-Set-3-qp-ms.pdf QP+MS3.1-Calculate volume-Set-4-qp-ms.pdf Calculate Moles: QP+MS3.2-Calculate-moles-Set-1-qp-ms.pdf QP+MS3.2-Calculate-moles-Set-2-qp-ms.pdf Calculate Number of Double Bonds: QP+MS3.3-Calculate-double-bonds-Set-1-qp-ms.pdf Calculate Concentration: QP+MS3.4-Calculate-the-concentration-Set-1-qp-ms.pdf QP+MS3.5-Calculate-the-concentration-Set-2-qp-ms.pdf Definitions: QP+MS3.6-Definitions-Set-1-qp-ms.pdf	Sample PDF links will be added here.
Topic 4	Electrochemistry	Sample PDF links will be added here.	Paper 4 IGCSE Chemistry Electrochemistry /Extended Theory/ Topic Questions Paper 4 samples are shown as QP+MS because each PDF contains the question paper and mark scheme together. Electrolysis-Basic Questions: QP+MS1-4.0-Electrolysis-Basic-Questions-Set-1-qp-ms.pdf QP+MSigcse-chemistry-topic-questions-Booklet-Electrolysis-Paper-4-Structured-Theory-Extended-Paper-Smart-Exam-Resources.pdf Electroplating: QP+MS2-4.1-Electroplating-Set-1-qp-ms.pdf QP+MS2-4.1-Electroplating-Set-2-qp-ms.pdf QP+MS2-4.1-electroplating-set-3-qp-ms.pdf Cathodic Protection: QP+MS3-4.2-Cathodic-protection-Set-1-qp-ms.pdf Electrolysis of Copper Sulfate: QP+MS4-4.4 Electrolysis-of-copper-sulfate-Set-1-qp-ms.pdf QP+MS4-4.4-Electrolysis-of-copper-sulfate-Set-2-qp-ms.pdf QP+MS4-4.4-electrolysis-of-copper-sulfate-set-3-qp-ms.pdf Electrolysis of Molten Compounds: QP+MS5-4.5-Electrolysis-of-molten-compounds-Set-1-qp-ms.pdf QP+MS5-4.5-Electrolysis-of-molten-compounds-Set-2-qp-ms.pdf QP+MS5-4.5-electrolysis-of-molten-compounds-set-3-qp-ms.pdf Electrolysis of Brine: QP+MS6-4.9-Electrolysing-brine-Set-1-qp-ms.pdf QP+MS6-4.9-electrolysing-brine-set-2-qp-ms.pdf Electrolysis of Concentrated Solutions: QP+MS7-4.9-Electrolysis-Concentrated-solutions-Set-1-qp-ms.pdf Electrolysis of Dilute NaCl: QP+MS8-4.10-Electrolysis-Dilute-NaCl-Set-1-qp-ms.pdf QP+MS8-4.10-electrolysis-dilute-nacl-set-2-qp-ms.pdf Use of Chlorine: QP+MS9-4.3-Use-of-chlorine-Set-1-qp-ms.pdf Inert Electrodes: QP+MS10-4.6-Inert-electrodes-Set-2-qp-ms.pdf Purifying Metals: QP+MS11-4.7-Purifying-metals-Set-1-qp-ms.pdf Purification of Copper: QP+MS12-4.8-Purification-of-copper-Set-2-qp-ms.pdf Electrolysis -Mixed Bag: QP+MS13-4.8-Electrolysis-Mixed-bag-Set-2-qp-ms.pdf Simple Cells: QP+MS14-4.11-Simple-cells-Set-1-qp-ms.pdf QP+MS14-4.11-Simple-cells-Set-2-qp-ms.pdf Fuel Cells: QP+MS15-4.13-Fuel cells-Set-1-qp-ms.pdf QP+MS15-4.13-fuel-cells-set-2-qp-ms.pdf	Paper 6 IGCSE Chemistry Electrochemistry /Alternative to Practicals/ Topic Questions Paper 6 samples are shown as QP+MS because each PDF contains QP and MS together. Electrolysis of Concentrated NaCl QP+MS4.1-Electrolysis-of-concentrated-sodium-chloride-Set-1-qp-ms.pdf Electrolysis of Concentrated HCl QP+MS4.2-Electrolysis-of-concentrated-HCl-Set-1-qp-ms.pdf QP+MS4.2-Electrolysis-of-concentrated-HCl-Set-2-qp-ms.pdf Electroplating QP+MS4.4-Electroplating-Set-1-qp-ms.pdf Electrolysis of Lead Bromide QP+MS4.3-Electrolysis-of-lead-bromide-Set-1-qp-ms.pdf
Topic 5	Chemical energetics	Sample PDF links will be added here.	Sample PDF links will be added here.	Sample PDF links will be added here.
Topic 6	Chemical reactions	Sample PDF links will be added here.	Sample PDF links will be added here.	Sample PDF links will be added here.
Topic 7	Acids, bases and salts	Sample PDF links will be added here.	Sample PDF links will be added here.	Sample PDF links will be added here.
Topic 8	The Periodic Table	Sample PDF links will be added here.	Sample PDF links will be added here.	Sample PDF links will be added here.
Topic 9	Metals	Sample PDF links will be added here.	Sample PDF links will be added here.	Sample PDF links will be added here.
Topic 10	Chemistry of the environment	Sample PDF links will be added here.	Sample PDF links will be added here.	Sample PDF links will be added here.
Topic 11	Organic chemistry	Sample PDF links will be added here.	Sample PDF links will be added here.	Sample PDF links will be added here.
Topic 12	Experimental techniques and chemical analysis	Sample PDF links will be added here.	Sample PDF links will be added here.	Sample PDF links will be added here.

IGCSE Chemistry Solved Past Exam Papers / Paper 2/4/6Yearwise

Paper	Available Solved PDF
Paper 2	Paper 2 Multiple Choice Solved Questions 0620_s17_qp_21igcse-chemistry-questions-and-answers-pdf.pdf
Paper 4	Paper 4 Extended Theory Solved Questions 0620_s18_qp_42igcse-chemistry-questions-and-answers-pdf.pdf
Paper 6	Paper 6 Alternative to Practicals Solved Questions 0620_s18_qp_62-igcse-chemistry-questions-and-answers-pdf.pdf

Paper

Available Solved PDF

Paper 2

Paper 2 Multiple Choice Solved Questions

0620_s17_qp_21igcse-chemistry-questions-and-answers-pdf.pdf

Paper 4

Paper 4 Extended Theory Solved Questions

0620_s18_qp_42igcse-chemistry-questions-and-answers-pdf.pdf

Paper 6

Paper 6 Alternative to Practicals Solved Questions

0620_s18_qp_62-igcse-chemistry-questions-and-answers-pdf.pdf

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IGCSE Chemistry Past Papers IGCSE Chemistry Notes IGCSE Chemistry Solved Past Papers IGCSE Chemistry Video Lessons IGCSE Chemistry Membership

IGCSE Topic Questions Chemistry Past Papers

IGCSE Chemistry Past Paper Topic Questions and Answers Free Download

IGCSE Chemistry Stoichiometry Topic Questions

IGCSE Chemistry 0620 Topics (2026–2028)

States of matter

Atoms, elements and compounds

Stoichiometry

Paper 2 IGCSE Chemistry Stoichiometry /Multiple Choice/ Topic Questions

Formulae of ions

Equations & state symbols

Relative mass & moles

Avogadro constant & molar gas volume

Finding concentration

Formula of compounds • Empirical & molecular

Formulae — Compounds & Ions

Identifying the element

Paper 4 IGCSE Chemistry Stoichiometry /Extended Theory/ Topic Questions

IGCSE Chemistry Topic Questions / Paper 4 / Topic Stoichiometry

Electrochemistry

Paper 4 IGCSE Chemistry Electrochemistry /Extended Theory/ Topic Questions

Electrolysis-Basic Questions:

Paper 6 IGCSE Chemistry Electrochemistry /Alternative to Practicals/ Topic Questions

Chemical energetics

Chemical reactions

Acids, bases and salts

The Periodic Table

Metals

Chemistry of the environment

Organic chemistry

Experimental techniques and chemical analysis