[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-207395-105":59,"doc-detail-207395-en":125},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":118,"head_meta":120,"extra_data":122,"updated_unix":124},105,"en","gcse-chemistry-higher-tier-paper-1-17-may-2024","GCSE CHEMISTRY - Higher Tier Paper 1 - 17 May 2024","","GCSE Chemistry Higher Tier Paper 1 (Friday 17 May 2024) assesses student understanding across practical reactions and core concepts in chemical equations, filtration and crystallisation, and quantitative yield calculations. Questions address reactivity and displacement among halogens, trends in Group 7 properties, and interpretation of periodic table data, including density estimates and Group 0/Group 7 context. It also includes models of the atom, comparisons with modern understanding, and defining isotopes using subatomic particles.",{"@graph":69,"@context":117},[70,84,100],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/gcse-chemistry-higher-tier-paper-1-17-may-2024/207395/",{"url":83,"name":65,"@type":85,"author":86,"headline":65,"publisher":89,"fileFormat":92,"inLanguage":63,"description":67,"dateModified":93,"datePublished":94,"encodingFormat":92,"isAccessibleForFree":95,"interactionStatistic":96},"DigitalDocument",{"name":87,"@type":88},"Aurora","Person",{"url":74,"name":90,"@type":91},"DocShare","Organization","application/pdf","2026-09-09","2026-09-05",true,{"@type":97,"interactionType":98,"userInteractionCount":14},"InteractionCounter",{"@type":99},"ViewAction",{"@type":101,"mainEntity":102},"FAQPage",[103,109,113],{"name":104,"@type":105,"acceptedAnswer":106},"What reaction is used to produce the salt in Question 1, and what steps are involved?","Question",{"text":107,"@type":108},"Copper carbonate reacts with sulfuric acid. The method measures sulfuric acid, adds copper carbonate, stirs repeatedly until in excess, filters, warms the filtrate to start crystallisation, then cools to crystallise.","Answer",{"name":110,"@type":105,"acceptedAnswer":111},"How do students answer the Group 1 and Group 7 questions in Question 2?",{"text":112,"@type":108},"Students compare electronic structures of sodium and potassium, describe observations when potassium reacts with water, and determine the universal indicator colour for potassium hydroxide. They also use a given data table and a figure to estimate krypton density and choose which halogen solution combinations react.",{"name":114,"@type":105,"acceptedAnswer":115},"What is required for Question 3 about models of the atom and isotopes?",{"text":116,"@type":108},"Students name the two early atom models from a figure, compare one model with today’s model, and define isotopes by referring to subatomic particles.","https://schema.org",{"og:url":83,"og:type":119,"og:title":65,"og:site_name":90,"og:description":67},"article",{"robots":121,"canonical":83},"index,follow",{"doc_id":123,"site_id":62},207395,1788599384,{"code":4,"msg":5,"data":126},{"doc_id":123,"user_id":127,"nickname":87,"user_avatar":128,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":129,"file_id":130,"file_url":131,"file_type":132,"file_size":133,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":134,"language":135,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":136,"faqs":137,"seo_title":138,"seo_description":67,"update_tm":124,"read_time":139},4810365810221,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","| Please write clearly in block capitals. |  |  |  |\n| --- | --- | --- | --- |\n| Centre number |  | Candidate number |  |\n| Surname  \u003Cbr>Forename(s)  \u003Cbr>Candidate signature  \u003Cbr>I declare this is my own work. |  |  |  |\n\nGCSE  \nCHEMISTRY  \nHigher Tier Paper 1  \nH  \nFriday 17 May 2024 Morning Time allowed: 1 hour 45 minutes  \nMaterials  \nFor this paper you must have:  \n• a ruler  \n• a scientific calculator  \n• the periodic table (enclosed) .  \nInstructions  \n• Use black ink or black ball-point pen.  \n• Pencil should only be used for drawing.  \n• Fill in the boxes at the top of this page.  \n• Answer all questions in the spaces provided. Do not write outside the box around each page or on blank pages.  \n• 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) .  \n• Do all rough work in this book. Cross through any work you do not want to be marked.  \nInformation  \n• The maximum mark for this paper is 100.  \n• The marks for questions are shown in brackets.  \n• You are expected to use a calculator where appropriate.  \n• In all calculations, show clearly how you work out your answer.  \n• You are reminded of the need for good English and clear presentation in your answers.  \n\n| For Examiner’s Use |  |\n| --- | --- |\n| Question | Mark |\n| 1 |  |\n| 2 |  |\n| 3 |  |\n| 4 |  |\n| 5 |  |\n| 6 |  |\n| 7 |  |\n| 8 |  |\n| 9 |  |\n| TOTAL |  |\n\n0  1  A student produced a salt by reacting copper carbonate with sulfuric acid.  \nThis is the method used.  \n1. Measure 50 cm3 of sulfuric acid into a beaker.  \n2. Add copper carbonate powder.  \n3. Stir the mixture.  \n4. Repeat steps 2 and 3 until copper carbonate is in excess.  \n5. Filter the mixture.  \n6. Warm the filtrate gently until crystals start to appear.  \n7. Leave the solution to cool and crystallise.  \n 0  1  .  1 Complete the word equation for the reaction.  \n[2 marks]  \ncopper sulfuric carbon  \n+ → + +  \ncarbonate acid     dioxide  \n0  1  .  2  Give one observation the student could make during Step 4 which shows that the copper carbonate is in excess.  \n[1 mark]  \n 0  1  .  3 Give one reason for filtering the mixture in Step 5.  \n[1 mark]  \noutside the box  \n 0  1  .  4 Name the equipment that can be used to warm the filtrate gently in Step 6.  \n[1 mark]  \n 0  1  .  5 The maximum theoretical mass of the salt that could be produced using 50 cm3 of the sulfuric acid is 12.5 g.  \nThe percentage yield of the salt is 92.8% .  \nCalculate the mass of salt actually produced.  \nUse the equation:  \nmass of salt actually produced  \n% yield = maximum theoretical mass of salt that could be produced × 100  \n[3 marks]  \n\n|  |\n| --- |\n|  |\n|  |\n|  |\n\nMass of salt actually produced =   g  \nQuestion 1 continues on the next page  \noutside the box  \n 0  1  .  6 Some salts can be produced by reacting sulfuric acid with a metal.  \nNeither copper nor sodium is used to produce a salt with sulfuric acid.  \nGive one reason why each metal is not used.  \n[2 marks]  \nCopper    \nSodium    \noutside the box  \n\n|  |\n| --- |\n| 10 |\n\n0  2  This question is about the periodic table.  \nSodium and potassium are in Group 1 of the periodic table.  \n 0  2  .  1 Give one similarity and one difference between the electronic structures of sodium and potassium.  \n[2 marks]  \nSimilarity    \nDifference    \nGroup 1 elements react with water.  \n0  2  .  2  Give two observations made when potassium reacts with water.  \n[2 marks]  \n1    \n2  \n0  2  .  3  Potassium hydroxide solution is produced when potassium reacts with water.  \nWhat is the colour of universal indicator when added to potassium hydroxide solution? Give one reason for your answer.  \n[2 marks]  \nColour of universal indicator    \nReason    \nbox  \n\n| Table 1 shows the densities of some of the elements in Group 0 of the periodic table.\u003Cbr>Table 1 |\n| --- |\n| 0 2 . 4\u003Cbr>Element Atomic number Density in mg/cm3 Helium 2 0.2 Neon 10 0.8 Argon 18 1.6 Krypton 36 X Xenon 54 5.4 Radon 86 9.1\u003Cbr>Plot the data f","cbCaijARYPRedX54","https://ap.wps.com/l/cbCaijARYPRedX54","pdf",510957,32,"English","# Question 1\n## Chemical reactions, crystallisation, and yield calculations\n# Question 2\n## Periodic table trends and electronic structure\n# Question 3\n## Models of the atom and isotopes","[{\"question\":\"What reaction is used to produce the salt in Question 1, and what steps are involved?\",\"answer\":\"Copper carbonate reacts with sulfuric acid. The method measures sulfuric acid, adds copper carbonate, stirs repeatedly until in excess, filters, warms the filtrate to start crystallisation, then cools to crystallise.\"},{\"question\":\"How do students answer the Group 1 and Group 7 questions in Question 2?\",\"answer\":\"Students compare electronic structures of sodium and potassium, describe observations when potassium reacts with water, and determine the universal indicator colour for potassium hydroxide. They also use a given data table and a figure to estimate krypton density and choose which halogen solution combinations react.\"},{\"question\":\"What is required for Question 3 about models of the atom and isotopes?\",\"answer\":\"Students name the two early atom models from a figure, compare one model with today’s model, and define isotopes by referring to subatomic particles.\"}]","GCSE CHEMISTRY - Higher Tier Paper 1 - 17 May 2024 | PDF",81]