The exam evaluates advanced chemistry concepts, focusing on reaction rates, reversible reactions, organic chemistry, and environmental sustainability. Key topics include flame tests, fractional distillation, chromatography, equilibrium shifts, polymer properties, and the Haber process. Practical tasks involve calculating Rf values, analyzing reaction profiles, determining reaction conditions, and balancing chemical equations. Emphasis is placed on sustainability, environmental impacts, molecular structures, and industrial applications such as water purification, atmospheric pollution reduction, and esterification processes. Keywords: GCSE Chemistry, reaction rates, reversible reactions, organic chemistry, sustainability, fractional distillation, equilibrium, polymers, environmental impact.