Pearson Edexcel IGCSE Chemistry May 2025 Paper 1C & 1CR (4CH1/1C, 4CH1/1CR) – Question Paper

The Pearson Edexcel International GCSE (9–1) Chemistry May 2025 Paper 1C and Paper 1CR were sat on Monday 19 May 2025 during the Morning session (2 hours).

These papers form part of:

1. 4CH1 – Chemistry

2. 4SD0 – Science (Double Award)

   
   

Students taking Science (Double Award) 4SD0 also completed this paper as part of their combined science qualification.

Paper Information

Exam Board: Pearson Edexcel

Qualification: International GCSE (9–1)

Subject: ChemistryPaper References: 4CH1/1C, 4CH1/1CR

Double Award Codes: 4SD0/1C, 4SD0/1CR

Date: 19 May 2025

Session: Morning

Duration: 2 hours

Download May 2025 Chemistry Papers

• Download 4CH1/1C May 2025 Question Paper (PDF)

4CH1_1C May 2025 Question Paper.pdf

Download PDF • 550KB

• Download 4CH1/1CR May 2025 Question Paper (PDF)

4CH1_1CR May 2025 Question Paper.pdf

Download PDF • 668KB

What Is the Difference Between 1C and 1CR?

Paper 1CR is the regional variant (Timezone R) of Paper 1C. Both papers assess the same specification content but are scheduled in different regions to maintain exam security.

Topics Assessed in Paper 1

Paper 1 assesses core Chemistry topics including atomic structure, bonding, stoichiometry, chemical reactions, electrolysis, rates of reaction, and analysis techniques. Questions include structured calculations, extended response questions, and practical-based scenarios.