Question bank › OCR GCSE Chemistry A Board: AQA Edexcel OCR A Edexcel International GCSE Cambridge IGCSE OCR GCSE Chemistry A questions by topic Every question from every OCR GCSE Chemistry A (Gateway Science) paper, 2018–2025, part by part. Filter by topic, paper or year, open the mark scheme under any question, and download a set as a PDF.
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Particles +
Elements, compounds and mixtures +
Chemical reactions +
Predicting and identifying reactions and products +
Monitoring and controlling chemical reactions +
Global challenges +
1 Q1
June 2025 · Paper 1 Foundation
1 mark C1.1 The particle model
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2 Q2
June 2025 · Paper 1 Foundation
1 mark C1.2 Atomic structure
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3 Q3
June 2025 · Paper 1 Foundation
1 mark C1.2 Atomic structure
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4 Q4
June 2025 · Paper 1 Foundation
1 mark C6.2 Organic chemistry
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5 Q5
June 2025 · Paper 1 Foundation
1 mark C3.2 Energetics
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6 Q6
June 2025 · Paper 1 Foundation
1 mark C4.1 Predicting chemical reactions
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7 Q7
June 2025 · Paper 1 Foundation
1 mark C1.1 The particle model
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8 Q8
June 2025 · Paper 1 Foundation
1 mark C4.1 Predicting chemical reactions
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9 Q9
June 2025 · Paper 1 Foundation
1 mark C3.1 Introducing chemical reactions
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10 Q10
June 2025 · Paper 1 Foundation
1 mark C3.1 Introducing chemical reactions
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11 Q11
June 2025 · Paper 1 Foundation
1 mark C3.4 Electrolysis
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12 Q12
June 2025 · Paper 1 Foundation
1 mark C2.2 Bonding
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13 Q13
June 2025 · Paper 1 Foundation
1 mark C3.3 Types of chemical reactions
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14 Q14
June 2025 · Paper 1 Foundation
1 mark C2.2 Bonding
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15 Q15
June 2025 · Paper 1 Foundation
1 mark C3.3 Types of chemical reactions
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16 Q16(a)(i)
June 2025 · Paper 1 Foundation
1 mark C4.1 Predicting chemical reactions
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17 Q16(a)(ii)
June 2025 · Paper 1 Foundation
1 mark C4.1 Predicting chemical reactions
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18 Q16(a)(iii)
June 2025 · Paper 1 Foundation
1 mark C4.1 Predicting chemical reactions
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19 Q16(a)(iv)
June 2025 · Paper 1 Foundation
1 mark C4.1 Predicting chemical reactions
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20 Q16(a)(v)
June 2025 · Paper 1 Foundation
1 mark C4.1 Predicting chemical reactions
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Every topic: C1.1 The particle model C1.2 Atomic structure C2.1 Purity and separating mixtures C2.2 Bonding C2.3 Properties of materials C3.1 Introducing chemical reactions C3.2 Energetics C3.3 Types of chemical reactions C3.4 Electrolysis C4.1 Predicting chemical reactions C4.2 Identifying the products of chemical reactions C5.1 Monitoring chemical reactions C5.2 Controlling reactions C5.3 Equilibria C6.1 Improving processes and products C6.2 Organic chemistry C6.3 Interpreting and interacting with earth systems Questions, mark schemes and examiner’s reports are © OCR, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? Every OCR GCSE Chemistry A paper .
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