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IB Approved Workshops
Chemistry (New Syllabus)
IB DP Category 2
Stockholm, Sweden, 12 - 14 May 2023
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Chemistry (New Syllabus)
IB DP Category 2
Online (IB Approved), 25 - 27 August 2023
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Find all InThinking Workshops at www.inthinking.net
School visits
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Latest updates

Fossil fuels answers 11 November 2017
1. (a) RON (Research octane number) refers to the auto-ignition tendency for a fuel. The lower the octane number the more likely the fuel is to auto-ignite under compression. Aromatic compounds such as... more

MC test: Stereochemistry in biomolecules 10 November 2017
Use the following 'quiz' to test your knowledge and understanding of this sub-topic. As this relates to a sub-topic on the options you may need access to the IB data booklet.If you get an answer wrong,... more

MC test: Biological pigments7 November 2017
Use the following 'quiz' to test your knowledge and understanding of this sub-topic. As this relates to a sub-topic on the options you may need access to the IB data booklet.If you get an answer wrong,... more

Energy sources questions 3 November 2017
1. Other than the fact that it should be cheap, plentiful and easily accessible, state two essential characteristics for a useful energy source.2. Wood is essentially composed of cellulose, hemicelluloses,... more

Energy sources answers3 November 2017
2. (a) Amount of carbon in 1000 g of anthracite = ((95/100) x 1000) ÷ 12.01 = 79.1 mol Amount of hydrogen in 1000 g of anthracite = ((3/100) x 1000) ÷ 1.01 = 29.9 mol Heat evolved from combusting carbon... more

MC test: Nucleic acids31 October 2017
Use the following 'quiz' to test your knowledge and understanding of this sub-topic. As this relates to a sub-topic on the options you may need access to the IB data booklet.If you get an answer wrong,... more

MC test: Proteins & enzymes (AHL)24 October 2017
Use the following 'quiz' to test your knowledge and understanding of this sub-topic. As this relates to a sub-topic on the options you may need access to the IB data booklet.If you get an answer wrong,... more

MC test: Biochemistry & the environment22 October 2017
Use the following 'quiz' to test your knowledge and understanding of this sub-topic. As this relates to a sub-topic on the options you may need access to the IB data booklet.If you get an answer wrong,... more

MC test: Vitamins20 October 2017
Use the following 'quiz' to test your knowledge and understanding of this sub-topic. As this relates to a sub-topic on the options you may need access to the IB data booklet.If you get an answer wrong,... more

MC test: Carbohydrates19 October 2017
Use the following 'quiz' to test your knowledge and understanding of this sub-topic. As this relates to a sub-topic on the options you may need access to the IB data booklet.If you get an answer wrong,... more