A level chemistry 74053 paper Study guides, Revision notes & Summaries
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AQA 2023 A-level CHEMISTRY 7405/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 66 pages • 2024
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AQA 2023 A-level CHEMISTRY 7405/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
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AQA A-level CHEMISTRY (7405/3) Paper 3 Mark scheme June 2023 | VERIFIED.
- Exam (elaborations) • 30 pages • 2024
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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...
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AQA A-level CHEMISTRY (7405/3) Paper 3 Mark scheme June 2023.
- Exam (elaborations) • 30 pages • 2024
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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...
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2023 AQA A-level CHEMISTRY 7405/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 66 pages • 2024
- Available in package deal
-
- £6.41
- + learn more
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...
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AQA A-level CHEMISTRY 7405/3 Paper 3 Mark scheme June 2023 Version: 1.0 Final
- Exam (elaborations) • 33 pages • 2023
- Available in package deal
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- £8.01
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AQA A-level CHEMISTRY 7405/3 Paper 3 Mark scheme June 2023 Version: 1.0 Final
Too much month left at the end of the money?
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2023 AQA A-level CHEMISTRY 7405/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 66 pages • 2024
-
- £6.41
- + learn more
2023 AQA A-level CHEMISTRY 7405/3 Paper 3 
Question Paper & Mark scheme (Merged) June 
2023 [VERIFIED]
-
AQA A-level CHEMISTRY 7405/3 Paper 3 Version: 1.0 Final Question Paper & Mark scheme [MERGED] June 2023
- Exam (elaborations) • 62 pages • 2024
- Available in package deal
-
- £6.41
- + learn more
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...
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2023 AQA A-level CHEMISTRY 7405/3 Paper 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
- Exam (elaborations) • 66 pages • 2024
- Available in package deal
-
- £6.41
- + learn more
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]
- Exam (elaborations) • 66 pages • 2024
-
- £6.41
- + learn more
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]
- Exam (elaborations) • 66 pages • 2024
- Available in package deal
-
- £10.02
- + learn more
tion A and 50 minutes on Section B. 
2 
Section A 
Answer all questions in this section. 
0 1Ethyl ethanoate can be made by reacting ethanol with ethanoic acid in the presence of 
concentrated sulfuric acid. 
Method 
1. A mixture of ethanol, ethanoic acid, and concentrated sulfuric acid, with 
anti-bumping granules, is heated under reflux for 10 minutes. 
2. The apparatus is rearranged for distillation. 
3. The mixture is heated to collect the liquid that distils between 70 and 85 °C 
4. The ...
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