A level chemistry 74053 Study guides, Revision notes & Summaries

AQA 2023 A-level CHEMISTRY 7405/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

AQA A-level CHEMISTRY (7405/3) Paper 3 Mark scheme June 2023. catalyst ALLOW reduces Ea IGNORE speeds up reaction IGNORE provides alternative path IGNORE proton donor IGNORE dehydrating agent 1 Question Answers Additional comments/Guidelines Mark 1.2 electric heater/heat mantle or (hot) water bath IGNORE not with a Bunsen/naked flame / gently ALLOW hot water ALLOW heating/hot plate/ sand bath / oil bath ALLOW reference to flame/Bunsen if in context of heating a water bath NOT any ind...

AQA A-level CHEMISTRY (7405/3) Paper 3 Mark scheme June 2023 | VERIFIED. there is a bung/stopper (in the end of the condenser) M2 idea of pressure build up M3 water goes the wrong way through the condenser M4 water does not fill the condenser / condenser is not cool enough owtte M2 stopper could be forced out IGNORE glass shatters / explodes water in at top / out at bottom IGNORE condenser is wrong way round ALLOW less condensing / vapour/gas/reactants/products will not condense / no...

AQA A-level CHEMISTRY 7405/3 Paper 3 Mark scheme June 2023 Version: 1.0 Final

2023 AQA A-level CHEMISTRY 7405/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. A-level CHEMISTRY Paper 3 Friday 23 June 2023 Morning Time allowed: 2 hours Materials For this paper you must have: • the Periodic Table/Data Booklet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scie...

2023 AQA A-level CHEMISTRY 7405/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

A-level CHEMISTRY Paper 3 Friday 23 June 2023 Morning Time allowed: 2 hours Materials For this paper you must have: • the Periodic Table/Data Booklet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer the questions in the spaces provi...

2023 AQA A-level CHEMISTRY 7405/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

2023 AQA A-level CHEMISTRY 7405/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

2023 AQA A-level CHEMISTRY 7405/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]