AQA GCSE CHEMISTRY 8462/1F Paper 1 Foundation Tier Question Paper + Mark scheme [MERGED] June 2022 *Jun2284621F01* IB/M/Jun22/E10 8462/1F For Examiner’s Use Question Mark 1

AQA GCSE CHEMISTRY 8462/1F Paper 1 Foundation Tier Question Paper + Mark scheme [MERGED] June 2022 *JunF01* IB/M/Jun22/E10 8462/1F For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL 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. Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. GCSE CHEMISTRY Foundation Tier Paper 1 F 2 *02* IB/M/Jun22/8462/1F Do not write outside the 0 1 box This question is about atoms. 0 1 . 1 Figure 1 represents an atom of an element. Figure 1 Draw one line from each name to the correct label. [2 marks] Name Label Neutron Proton A B C D 3 *03* Turn over ► IB/M/Jun22/8462/1F Do not write outside the 0 1 box . 2 An atom of element Y has: • an atomic number of 9 • a mass number of 19. Give the number of electrons and the number of neutrons in this atom. Choose answers from the box. [2 marks] Number of electrons Number of neutrons Question 1 continues on the next page 4 *04* IB/M/Jun22/8462/1F Do not write outside the Table 1 shows information about two isotopes of element Z box . Table 1 Mass number Percentage abundance (%) Isotope A 39 93.3 Isotope B 41 6.7 0 1 . 3 Calculate the relative atomic mass (Ar) of element Z. Use Table 1 and the equation: Ar = (mass number × percentage) of isotope A + (mass number × percentage) of isotope B 100 Give your answer to 3 significant figures. [3 marks] Ar (3 significant figures) = 5 *05* Turn over ► IB/M/Jun22/8462/1F Do not write outside the box 9 0 1 . 4 Suggest the identity of element Z. Use the periodic table. [1 mark] Element Z 0 1 . 5 Complete the sentence. Choose the answer from the box. [1 mark] electrons neutrons protons Isotopes of the same element have different mass numbers because the isotopes have different numbers of . Turn over for the next question 6 *06* IB/M/Jun22/8462/1F Do not write outside the There are no questions printed on this page box DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED 7 *07* Turn over ► IB/M/Jun22/8462/1F Do not write outside the 0 2 box This question is about elements, compounds and mixtures. 0 2 . 1 Which type of substance is hydrogen? [1 mark] Tick () one box. Element Compound Mixture The diagrams in Figure 2 represent different substances. represent atoms of three different elements. Figure 2 A B C D Use Figure 2 to answer questions 02.2 and 02.3. 0 2 . 2 Which diagram represents a mixture of compounds? [1 mark] A B C D 0 2 . 3 Which diagram represents a mixture of elements? [1 mark] A B C D 8 *08* IB/M/Jun22/8462/1F Do not write outside the Substances can be separated from mixtures by using different methods. box 0 2 . 4 Complete the sentence. [1 mark] Sand can be separated from a mixture of sand and water by . A mixture of four liquids was fractionally distilled. Figure 3 shows the apparatus used. Figure 3 Table 2 shows the boiling points of the four liquids in the mixture. Table 2 Liquid Boiling point in °C A 97 B 138 C 78 D 118 9 *09* Turn over ► IB/M/Jun22/8462/1F Do not write outside the box 8 0 2 . 5 Which liquid in Table 2 would distil and be collected in the beaker first? [1 mark] Liquid 0 2 . 6 Suggest what would happen to the temperature of the water as the water flows through the condenser. [1 mark] 0 2 . 7 Describe how to obtain sodium chloride crystals from sodium chloride solution by crystallisation. [2 marks] Turn over for the next question 10 *10* IB/M/Jun22/8462/1F Do not write outside the 0 3 box This question is about acids. A student added four metals, A, B, C and D to hydrochloric acid. Figure 4 shows the rate of bubbling in each tube. Figure 4 Use Figure 4 to answer questions 03.1 and 03.2. 0 3 . 1 Which metal is copper? [1 mark] Tick () one box. A B C D 0 3 . 2 Which metal is the most reactive?