2023 AQA GCSE CHEMISTRY 8462/2F Paper 2 Foundation Tier Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] GCSE

2023 AQA GCSE CHEMISTRY 8462/2F Paper 2 Foundation Tier Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] GCSE CHEMISTRY F Foundation Tier Paper 2 Tuesday 13 June 2023Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all questions in the spaces provided. Do not write outside the box around each page or on blank pages. • 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). • Do all rough work in this book. Cross through any work you do not want to be marked. • In all calculations, show clearly how you work out your answer. Information • The maximum mark for this paper is 100. • The marks for questions are shown in brackets. • You are expected to use a calculator where appropriate. • 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 *JUN2384622F01* IB/M/Jun23/E15 8462/2F 2 There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED Do not write outside the box *02* IB/M/Jun23/8462/2F 3 0 1 This question is about oxygen. Scientists think that there was little or no oxygen in the Earth’s early atmosphere. 0 1 . 1 Which planet today has an atmosphere that is similar to the Earth’s early atmosphere? [1 mark] Tick ( ) one box. Jupiter Mars Neptune Saturn 0 1 . 2 Which is the approximate percentage of oxygen in the Earth’s atmosphere today? [1 mark] Tick ( ) one box. 20% 50% 80% 100% Question 1 continues on the next page Do not write outside the box Turn over ► *03* IB/M/Jun23/8462/2F