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Predicted paper
OCR GCSE Chemistry 2026 Predicted Practice Paper — Paper 3 Higher
GCSE Chemistry A (Gateway Science) · OCR-style · 105 minutes · 90 marks
Modelled component: J248/03 · Tier: Higher · Calculator permitted
J248/03 model: 90 marks, 105 minutes.
Prediction type: predicted_paper · Evidence mode: historical · Full-length original StudyVector predicted-practice paper modelled on public exam-board structure. It is not official, leaked or guaranteed.
Evidence basis: public exam-board specification structure, historical topic weighting patterns, StudyVector practice-quality review.
66
0–100 model (higher = more demanding)
- Particles
- Elements, Compounds & Mixtures
- Chemical Reactions
- Predicting & Identifying
I completed a StudyVector GCSE Chemistry A (Gateway Science) derived predicted-practice paper (2026) and scored 0/90. This is practice-only and not an official paper:
Section A
Multiple choice questions. Answer ALL the questions.
Question SECTION-A1 (1 mark)
Which statement is most accurate for Particles?
Question SECTION-A2 (1 mark)
Which statement is most accurate for Elements, Compounds & Mixtures?
Question SECTION-A3 (1 mark)
Which statement is most accurate for Chemical Reactions?
Question SECTION-A4 (1 mark)
Which statement is most accurate for Predicting & Identifying?
Question SECTION-A5 (1 mark)
Which statement is most accurate for Particles?
Question SECTION-A6 (1 mark)
Which statement is most accurate for Elements, Compounds & Mixtures?
Question SECTION-A7 (1 mark)
Which statement is most accurate for Chemical Reactions?
Question SECTION-A8 (1 mark)
Which statement is most accurate for Predicting & Identifying?
Question SECTION-A9 (1 mark)
Which statement is most accurate for Particles?
Question SECTION-A10 (1 mark)
Which statement is most accurate for Elements, Compounds & Mixtures?
Question SECTION-A11 (1 mark)
Which statement is most accurate for Chemical Reactions?
Question SECTION-A12 (1 mark)
Which statement is most accurate for Predicting & Identifying?
Question SECTION-A13 (1 mark)
Which statement is most accurate for Particles?
Question SECTION-A14 (1 mark)
Which statement is most accurate for Elements, Compounds & Mixtures?
Question SECTION-A15 (1 mark)
Which statement is most accurate for Chemical Reactions?
Section B
Structured and extended response questions. Answer ALL the questions.
Question SECTION-B1 (3 marks)
GCSE GCSE Chemistry A (Gateway Science) Predicting & Identifying question. A student carries out a reaction or analysis linked to predicting & identifying. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B2 (3 marks)
GCSE GCSE Chemistry A (Gateway Science) Particles question. A student carries out a reaction or analysis linked to particles. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B3 (4 marks)
GCSE GCSE Chemistry A (Gateway Science) Elements, Compounds & Mixtures question. A student carries out a reaction or analysis linked to elements, compounds & mixtures. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B4 (5 marks)
GCSE GCSE Chemistry A (Gateway Science) Chemical Reactions question. A student carries out a reaction or analysis linked to chemical reactions. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B5 (5 marks)
GCSE GCSE Chemistry A (Gateway Science) Predicting & Identifying question. A student carries out a reaction or analysis linked to predicting & identifying. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B6 (6 marks)
GCSE GCSE Chemistry A (Gateway Science) Particles question. A student carries out a reaction or analysis linked to particles. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B7 (6 marks)
GCSE GCSE Chemistry A (Gateway Science) Elements, Compounds & Mixtures question. A student carries out a reaction or analysis linked to elements, compounds & mixtures. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B8 (7 marks)
GCSE GCSE Chemistry A (Gateway Science) Chemical Reactions question. A student carries out a reaction or analysis linked to chemical reactions. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B9 (7 marks)
GCSE GCSE Chemistry A (Gateway Science) Predicting & Identifying question. A student carries out a reaction or analysis linked to predicting & identifying. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B10 (8 marks)
GCSE GCSE Chemistry A (Gateway Science) Particles question. A student carries out a reaction or analysis linked to particles. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B11 (8 marks)
GCSE GCSE Chemistry A (Gateway Science) Elements, Compounds & Mixtures question. A student carries out a reaction or analysis linked to elements, compounds & mixtures. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B12 (6 marks)
GCSE GCSE Chemistry A (Gateway Science) Chemical Reactions question. A student carries out a reaction or analysis linked to chemical reactions. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
Question SECTION-B13 (7 marks)
GCSE GCSE Chemistry A (Gateway Science) Predicting & Identifying question. A student carries out a reaction or analysis linked to predicting & identifying. Explain the key particle-level idea, describe the expected observation or calculation route, and evaluate one source of error in the method.
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