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Download Actual 2024 AQA GCSE CHEMISTRY 8462/1F Paper 1 Foundation Tier Question Paper + Mark Schem and more Exams Chemistry in PDF only on Docsity!
Actual 2024 AQA GCSE CHEMISTRY 8462/1F Paper 1 Foundation Tier Question Paper + Mark Scheme AQA= Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature | declare this is my own work. GCSE CHEMISTRY Foundation Tier Paper 1 Friday 17 May 2024 Morning 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. 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. In all calculations, show clearly how you work out your answer. You are reminded of the need for good English and clear presentation in your answers. For Examiner's Use Question Mark ea/nlolalalolrn}|a 10 TOTAL 621F01 IB/M/Jun24/G4005/E12 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 MIN IB/M/Jun24/8462/1F 2 Do not write outside the [o|4].[3] Elements are metals or non-metals. box Figure 2 shows an outline of the periodic table. The periodic table is divided into sections. Figure 2 Where are metals found in the periodic table? [1 mark] Tick (v) one box. Section A only Sections A, B and C Sections B, C and D Section D only IMAI IB/M/Jun24/8462/1F 4 [o|1].[4| Which two of the following are typical properties of a transition metal? Tick (โ) two boxes. Can be bent and shaped Good conductor of electricity Low density Low melting point Poor conductor of heat [o[1|.[5] Potassium and chlorine react to produce potassium chloride. An atom of potassium loses an electron to form a potassium ion. An atom of chlorine gains an electron to form a chloride ion. Complete the dot and cross diagram. O @ Potassium Chlorine atom atom + = Potassium Chloride ion ion [2 marks] [2 marks] MUN Turn over > IB/M/Jun24/8462/1F box Do not write outside the 5 Do not write outside the [o|1].[6| Which apparatus could be used to collect water from sodium chloride solution? box Use Figure 3. [1 mark] Tick (โ) one box. A B c D Which apparatus shows filtration? Use Figure 3. [1 mark] Tick (โ) one box. A B c D 9 Turn over for the next question Turn over > IMM IB/M/Jun24/8462/1F 7 A titration measures the volumes of an acid and an alkali that neutralise each other. Figure 4 shows the apparatus used. Figure 4 Step 1 Step 2 Acid Alkali funfiny oO A Alkali and a few drops of indicator = [1] Name the pieces of equipment labelled A, B and C in Figure 4. Choose answers from the box. [3 marks] beaker burette conical flask measuring cylinder pipette test tube IMA Do not write outside the box IB/M/Jun24/8462/1F 8 10 [o[2|.[5] Figure 5 shows the reading on equipment C at the end of Step 2. Figure 5 I oe _|โ_โ Acid Gm What is the reading on equipment C in Figure 5? [1 mark] Tick (โ) one box. 16.4 cm? 16.6 cm? 17.4 cm? 17.6 cm? INI exci Do not write outside the box 10 11 Turn over for the next question Do not write outside the [0[2].[6] A student did a different titration. box Table 1 shows the results. Table 1 Trial 1 Trial 2 Trial 3 Volume of acid added in cm* 25.3 23.7 23.6 Which two results should be used to calculate the mean volume of acid added? [1 mark] Tick (โ) one box. Trial 1 and Trial 2 Trial 1 and Trial 3 Trial 2 and Trial 3 [o|2].[7] A Salt is produced when an acid neutralises an alkali. Barium chloride is a salt containing the ions Ba?* and Clโ What is the formula of barium chloride? [1 mark] Tick (โ) one box. BaCl BaCk BazCl BasCly 10 11 Turn over > IB/M/Jun24/8462/1F 11 13 [o[3][3] A student investigated the energy change in the reaction between zinc and copper sulfate solution. This is the method used. 1. Measure 25 cmโ of copper sulfate solution into a polystyrene cup. 2. Weigh 0.20 g of zinc powder. 3. Add the zinc powder to the copper sulfate solution. 4. Measure the highest temperature reached by the mixture. 5. Repeat steps 1 to 4 using different masses of zinc powder. Control variables are used to make an investigation a fair test. Which is a control variable in the investigation? Tick (โ) one box. Highest temperature reached by the mixture Mass of zinc powder Volume of copper sulfate solution Question 3 continues on the next page [1 mark] 13 Turn over > IB/M/Jun24/8462/1F Do not write outside the box 13 14 Highest temperature reached inยฐC [o[3].[4] Figure 6 shows the results. Figure 6 Do not write outside the box 50 45 30}โ as 25 0.00 0.20 0.40 0.60 0.80 1.00 1.20 Mass of zinc powder in grams What is the minimum mass of zinc powder needed to react with all the copper sulfate solution? Use Figure 6. Minimum mass of zinc powder = [1 mark] 14 IBMiJun24/8462/1F 14 16 Do not write outside the Another student investigated the energy change of the reaction between box sodium hydrogencarbonate and hydrochloric acid. This is the method used. 1. Measure 25 cm? of hydrochloric acid. 2. Weigh 1.0 g of sodium hydrogencarbonate. 3. Add the sample of sodium hydrogencarbonate to the hydrochloric acid. 4. Measure the lowest temperature reached by the mixture. 5. Repeat steps 1 to 4 using different masses of sodium hydrogencarbonate. Figure 7 shows the results. Figure 7 23 22 21 20 t 1 Lowest i | temperature i | reached in ยฐC 19 18 t 17 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 Mass of sodium hydrogencarbonate in grams INIA IBMiJun24/8462/1F 16 17 Draw two straight lines of best fit on Figure 7. The lines should cross. Which statement describes the energy change in the reaction shown in Figure 7? Tick (โ) one box. Energy is transferred to the surroundings so the reaction is endothermic. Energy is transferred to the surroundings so the reaction is exothermic. Energy is taken in from the surroundings so the reaction is endothermic. Energy is taken in from the surroundings so the reaction is exothermic. Turn over for the next question [2 marks] [1 mark] Do not write outside the box 17 Turn over > IB/M/Jun24/8462/1F 17 19 [o[4]{[2] This question is about small particles. What is the approximate number of atoms in a nanoparticle? Tick (โ) one box. A few hundred atoms A few thousand atoms A few million atoms A few billion atoms Nanoparticles of some elements can be used as catalysts. Which element is most likely to be used as a catalyst? Use the periodic table. Tick (โ) one box. Aluminium Iron Magnesium Question 4 continues on the next page [1 mark] [1 mark] Turn over > IB/M/Jun24/8462/1F Do not write outside the box 19 20 Do not write outside the [o|4].[3| Nanoparticles are used in sun creams and in wound dressings. box A wound dressing is placed next to the skin to prevent infection. Figure 8 shows a wound dressing. Figure 8 Table 2 shows some information about substances used in the form of nanoparticles. Table 2 Substance Property Carbon Strong Silicon dioxide Hard Silver Kills bacteria Titanium dioxide Blocks light INT IBiMiJun24is4e2/1F = DQ) 
