AQA GCSE COMBINED SCIENCE: SYNERGY 8465/4H Higher Tier Paper 4 Physical Sciences Version: 1.0 Final G/LM/Jun23/E7 8465/4H (JUN2384654H01) GCSE COMBINED SCIENCE: SYNERGY Higher Tier Paper 4 Physical SciencesQUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( s

GCSE COMBINED SCIENCE: SYNERGY 8465/4H Higher Tier Paper 4 Physical Sciences Version: 1.0 Final G/LM/Jun23/E7 8465/4H (JUN2384654H01) GCSE COMBINED SCIENCE: SYNERGY Higher Tier Paper 4 Physical Sciences Tuesday 13 June 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: l a ruler l a protractor l a scientific calculator l the periodic table (enclosed) l the Physics Equations Sheet (enclosed). Instructions l Use black ink or black ball-point pen. Pencil should only be used for drawing. l Fill in the boxes at the top of this page. l Answer all questions in the spaces provided. Do not write outside the box around each page or on blank pages. l If you need extra space for your answer(s), use the lined pages at the end of this book. Write the question number against your answer(s). l Do all rough work in this book. Cross through any work you do not want to be marked. l In all calculations, show clearly how you work out your answer. Information l The maximum mark for this paper is 100. l The marks for questions are shown in brackets. l You are expected to use a calculator where appropriate. l You are reminded of the need for good English and clear presentation in your answers. For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL Please write clearly in block capitals. Centre number Candidate number Surname ________________________________________________________________________ Forename(s) ________________________________________________________________________ Candidate signature ________________________________________________________________________ I declare this is my own work. H 2 (02) G/Jun23/8465/4H Do not write outside the box There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED 3 (03) G/Jun23/8465/4H Do not write outside the box Turn over U 0 1 This question is about hydrocarbon fuels. The complete combustion of a hydrocarbon fuel produces carbon dioxide and one other product. 0 1 . 1 Name the other product of the complete combustion of a hydrocarbon fuel. Do not refer to carbon dioxide. [1 mark] ___________________________________________________________________________________ 0 1 . 2 Describe the test for carbon dioxide. Give the result if carbon dioxide is present. [2 marks] Test ______________________________________________________________________________ __________________________________________________________________________________ Result ____________________________________________________________________________ __________________________________________________________________________________ Question 1 continues on the next page 4 (04) G/Jun23/8465/4H Do not write outside the box The combustion of hydrocarbon fuels releases energy. A student investigated the energy released by three different fuels A, B and C. Figure 1 shows the apparatus. Figure 1 Fuel Burner Water Conical flask This is part of the method used. 1. Put fuel A in the burner. 2. Pour 100 cm3 of water into the conical flask. 3. Record the temperature of the water. 4. Light the fuel and heat the water for 5 minutes. 5. Record the final temperature of the water. 6. Repeat steps 1 to 5 using fuel B and the