Pearson Edexcel GCSE Combined Science Paper 2 Higher 2025

Download the official Pearson Edexcel GCSE (9–1) Combined Science Paper 2 Chemistry Higher Tier question paper from the Summer 2025 examination series (1SC0/1CH). This authentic examiner-issued Higher Tier Chemistry paper contains advanced GCSE Chemistry questions covering subatomic particles, isotopes, ionic compounds, electrolysis, electronic configuration, intermolecular forces, boiling points, fractional distillation, thermal decomposition, equilibrium, the Haber process, percentage yield calculations, electrolysis of magnesium sulfate, and dynamic equilibrium.

This Combined Science Higher Tier Chemistry paper is ideal for students preparing for the 2026 GCSE Combined Science examinations, classroom mock exams, intervention sessions, timed revision practice, tutoring, homeschooling, and independent self-study using official Pearson Edexcel assessment materials.

The examination includes practical and analytical questions involving silver nitrate precipitation reactions, electrolysis apparatus, decomposition of malachite, extraction of copper from copper oxide, relative atomic mass calculations, percentage composition calculations, Avogadro constant calculations, equilibrium graphs for ammonia production, and ionic equations. Students are required to interpret graphs, perform multi-step calculations, explain industrial Chemistry processes, analyse methods, and apply advanced chemical principles throughout the paper.

The paper was sat on Monday 19 May 2025 during the morning session, lasted 1 hour 10 minutes, carried 60 marks, and required the use of a calculator, ruler, and periodic table.

This official Pearson Edexcel GCSE Combined Science Higher Tier Chemistry paper is designed for Year 10 and Year 11 students preparing for Summer 2026 GCSE examinations, Higher Tier Combined Science learners aiming for top GCSE grades, GCSE resit candidates, and independent learners studying the Pearson Edexcel Combined Science specification.

It is also highly valuable for Chemistry teachers, science departments, tutors, intervention coordinators, revision academies, homeschooling parents, and classroom assessors who require authentic Pearson Edexcel examination materials for mock assessments, classroom revision, homework tasks, and examiner-standard GCSE Chemistry preparation.