GCSE AQA Combined Science Trilogy: Chemistry June 2018 Paper 3 (Higher) Mark Scheme Paper June 2018 Paper 3 (Foundation) Mark Scheme Paper June 2018 Paper 4 (Higher) Mark Scheme Paper June 2018 Paper 4 (Foundation) Mark Scheme Paper Paper 3 Specimen (Higher) Mark Scheme Paper Paper 3 Specimen (Foundation) Mark Scheme Paper Paper 4 Specimen (Higher) Mark Scheme Paper Paper 4 Specimen (Foundation) Mark Scheme Paper