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MC test: Proteins & enzymes
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MC test: Introduction to biochemistry
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MC test: Environmental impact - heavy metals
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MC test: Condensation polymers
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MC test: Superconducting metals & X-ray crystallography
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Blog
Some chemistry behind a tattoo Free
Chemistry can sometimes appear in surprising places. Recently I was on a train from Sitges to Barcelona in Spain when I noticed that the person sitting opposite had a chemical structure tattooed on his...
Blog
New Study Guide for 1st exams in 2025 Free
The new edition of my IB Chemistry Study Guide has now been published by Oxford University Press. This is the fourth edition of my Study Guide. The first edition was published in 2001 for first exams...
Blog
Artificial intelligence and IB chemistry Free
Maybe you are thinking that AI is not something that IB teachers really have to worry about yet? Like many innovative ideas, you may consider that AI is still in the early stages of development and you...
DP essentials
Researching your Essay
Whether you obtain your own data through practical work or whether you rely on secondary data all Extended Essays require you to put your own work into context through research. This page looks at different...
DP Core
Choosing the subject
Different schools will have slightly different procedures in place as to how students go about choosing their subject. A common scenario is that someone (probably the member of staff in charge of all...