![]() ![]() Topics include synthesising Ambrox analysing a copper complex using titrations thermodynamics of halogen fluorides calculations on salty solutions using osmium compounds in organic reactions and the structure of gold. Topics include analysing ingredients of snack food calcium carbide using explosives in civil engineering NMR of organic compounds and the synthesis of phenobarbital. Topics include cyclic allotropes of sulfur reactions of amino acids in keratin chemistry general knowledge the synthesis of Liptor and structure of the world’s smallest car. Past paper | Mark scheme | Examiners’ report 2012 Topics include reactions and thermodynamics of hydrazine copper in Olympic medals colours of compounds synthesis of benzodiazepines and the structure of creatine. Past paper | Mark scheme | Examiners’ report 2013 Topics include the reactions of lanthanum carbonate ionisation energies of sodium the synthesis of tazarotene analysis of chemicals that bombardier beetles use to defend themselves and the structure and reactions of methane hydrates. Past paper | Mark scheme | Examiners’ report 2014 Topics include calculations based on indium tin oxide properties of 2-methylpropanenitrile the synthesis of Ritalin rates of metabolism of ethanol and reactions and thermodynamics of ‘green’ jet fuel. Past paper | Mark scheme | Examiners’ report 2015 Topics include thermodynamics of the sulfur–iodine cycle reactions of tungsten NMR of unsaturated molecules the synthesis of Flibanserin and analysing ancient bones. Past paper | Mark scheme | Examiners’ report 2016 ![]() Topics include the properties of sodium hypochlorite reactions and kinetics of atmospheric gases alloys of titanium the structure and synthesis of twistane and reactions of superbases. Past paper | Mark scheme | Examiners’ report 2017 Topics include reactions within lithium-ion batteries sustainable methods of producing ammonia isotopes and reactions of Uranium the synthesis of dextromethorphan and compounds of helium and sodium. Past paper | Answer booklet | Mark scheme 2018 Topics include carbon dioxide in fizzy drinks electrolysis of precious metals and NMR spectra of platinum complexes the kinetics of nerve agent treatments synthesising pesticides and calculations on biodegradable polymers. Past paper | Answer booklet | Mark scheme 2019 Topics include the reactions and structure of calcium carbide the thermodynamics of hydrogen as a fuel the structure of UV-absorbing chemicals structures of silicon oxides kinetics in colourful compounds and synthesising -ladderanoic acid. Past paper | Answer booklet | Mark scheme 2020 Topics include reactions that produce phosphine carbon capture by calcium looping synthesis and reactions of levulinic acid Newman projections synthesis of hydroxychloroquine and kinetics of the formation of xenon difluoride. Past paper | Answer booklet | Mark scheme | Examiners’ report 2021 Topics include E10 petrol the chemistry of nitrous oxide synthesis of the platonic solid cubane calculations of equilibria in lateral flow tests synthesis and structure of the world’s smallest Chinese knot and calculations based on the ensilication of vaccine components to improve their stability. Past paper | Answer booklet | Mark scheme | Examiners’ report 2022 Topics include rocket fuels electronegativity, bonding, and structure amino acid complexes vaping and vitamin E acetate and cheese manufacturing and the production of holes in Swiss cheese.
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