Dr Carl’s Chemistry Blog:
AQA A-Level Chemistry Paper 3 Hard Questions
AQA A-Level Chemistry Paper 3 Hard Questions This guide is part of a series on difficult AQA AS/A-Level chemistry questions. The guide to AS paper 1 and 2 is here The guide to Paper 1 (inorganic and physical chemistry) is here The guide to Paper 2 (organic and physical chemistry) [...]
Hard Organic Questions from AQA A-Level Chemistry Paper 2
Hard Organic Questions from AQA A-Level Chemistry Paper 2 This guide is part of a series on difficult AQA AS/A-Level chemistry questions. The guide to AS paper 1 and 2 is here The guide to Paper 1 (inorganic and physical chemistry) is here The guide to Paper 3 is here [...]
Hard Exam Questions from AQA A-Level Chemistry Paper 1
Hard Exam Questions from AQA A-Level Chemistry Paper 1 This guide is part of a series on difficult AQA AS/A-Level chemistry questions. The guide to AS paper 1 and 2 is here The guide to Paper 2 (organic and physical chemistry) is here The guide to Paper 3 is here [...]
2023 IB Chemistry Syllabus Update: What’s Changed?
2023 IB Chemistry Syllabus Update: What's Changed? Summary Of Main Changes to the Programme The 2023 International Baccalaureate chemistry syllabus has seen a considerable reduction in content compared to the 2014 version. The options (Materials, Biochemistry, Energy, and Medicinal Chemistry) have been removed and a small amount of their [...]
Hard A-Level Chemistry Questions: AQA AS Paper 1 and 2
Hard A-Level Chemistry Questions: AQA AS Paper 1 and 2 This guide is part of a series on difficult AQA AS/A-Level chemistry questions. The guide to Paper 1 (inorganic and physical chemistry) is here The guide to Paper 2 (organic and physical chemistry) is here The guide to Paper 3 [...]
Limiting and excess reactants in chemistry
Chemistry calculations: limiting and excess reactants in chemistry The mole has been baffling chemistry students since it was conceived in the nineteenth century so it’s little wonder that the applied concept of limiting reactants confuses students of all levels. Here are three methods to help you get to grips with limiting reactant calculations. [...]