Review/revision
SL Practice ('mock') papers and questions
This page gives you quick links to complete SL Paper 1 (Section A) and complete SL Paper 2 practice ('mock') exams together model answers and mark allocation. All the questions are new and not published...
Review/revision
SL Multiple choice tests on individual topics
Multiple choice questions are set out in 'quiz' format to cover all the main strands under ‘Structure’ and Reactivity' and ‘Tools’ in the syllabus under SL/HL. Each quiz contains 20 questions with all...
Review/revision
SL Questions on each sub-topic
Fast track to all the questions on each of the sub-topics at SL. These questions are useful preparation for the Paper 2 examination. Each question comes with a fully worked answer. Accessing the questions...
Review/revision
SL Multiple choice 'quizzes' on sub-topics
Multiple choice questions are set out in 'quiz' format to cover all the sub-topics in the syllabus under SL/HL. Each quiz contains 10 questions with all the answers explained as to why A, B, C or D is...
DP essentials
Extended Essay (Last assessment Nov 2026)
This section is initially for anyone who might be thinking of doing their Extended Essay in chemistry and then specifically for those who go ahead and choose chemistry as their Extended Essay subject....
eBook
MC test: Environmental impact of some medications
To give your students access to this page you will need to change the default access from "OFF" to "ON". Use the following 'quiz' to test your knowledge and understanding of this sub-topic. As this relates...
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eBook
(AHL) Taxol - a chiral auxiliary case study
Paclitaxel, (which has the trade name of Taxol) is an incredibly complex molecule with no fewer than eleven chiral centres. It is possible to get side-tracked into some very complicated chemistry when...
eBook
(AHL) Superconducting metals & X-ray crystallography
In January 2017 yet another revised version of the data booklet became available. However there is still a real problem with the atomic radii given for the elements in Groups 1, 2 and 13. The images below...
eBook
Environmental impact - plastics answers
1. The substance can be identified as PETE as it is the only one of the three that contains a C=O functional group responsible for the absorption at 1720 cm-1 in the infrared spectrum. This gives it a...
eBook
Environmental impact - plastics questions
1. The structures of the repeating units of three polymers, polyethylene terephthalate (PETE), polyvinyl chloride (PVC) and polystyrene are shown below. A substance sent for recycling is known to be...