The GCSE Chemistry J248/02 (June 2022) paper focuses on environmental chemistry, rates of reaction, and practical applications in material science. Section A tests foundational knowledge on dynamic equilibrium, crude oil fractions, reactivity series, and atom economy. Section B includes advanced topics such as fractional distillation, life-cycle assessments, catalysts, and polymer chemistry. Key areas involve data interpretation, practical methodology, and analysis of carbon emissions. The paper emphasizes real-world applications, sustainability, and critical evaluation of chemical processes.