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Includes instructions on using a calculator, having pencil and ruler, working through as many questions as possible, returning to missed items, and checking answers. Questions cover sorting materials into elements, compounds and mixtures; identifying diagrams; states of matter and phase-change processes; acids, indicator colour changes, and salt formation reactions; hazard symbol labeling; atomic structure for boron; particle properties (neutral, ions, isotopes, greatest mass); and data analysis with magnesium heating results and graph plotting.",{"@graph":69,"@context":122},[70,84,105],{"@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/year-10-chemistry-sample-entrance-examination-instructions-and-questions/459217/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/year-10-chemistry-sample-entrance-examination-instructions-and-questions/459217.png","ImageObject",300,407,{"name":92,"@type":93},"dhado","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-23","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":34},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the time limit and total marks for this chemistry exam sample?","Question",{"text":112,"@type":113},"The time allowed is 30 minutes and the total marks are 40.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How should students handle questions they do not understand?",{"text":117,"@type":113},"Skip the question and go on to the next one, then return to any missed questions when finished.",{"name":119,"@type":110,"acceptedAnswer":120},"What topics are included in the questions?",{"text":121,"@type":113},"Topics include sorting elements/compounds/mixtures, states of matter and phase changes, acids and universal indicator colour changes, salt formation reactions, hazard symbols, atomic structure, particle properties, and graphing results from heating magnesium.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},459217,1790787370,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":34,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":44,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144},5909893218464,"https://ap-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","Year 10 Chemistry Sample Entrance Examination  \nTime allowed: 30 minutes  \nName:     \nTotal : 40 marks  \nINSTRUCTIONS :  \n􀁸 Spend 30 minutes on this section.  \n􀁸 You may use a calculator.  \n􀁸 You will need a pencil and ruler.  \n􀁸 Work through as many questions as you can, showing all relevant workings.  \n􀁸 If you do not understand a question, miss it out and go on to the next one.  \n􀁸 When you have done all you can, return to any questions that you may have missed.  \n􀁸 When you have finished check your answers  \n1 Sort the following materials into the correct column in the table:  \nair magnesium oxide crude oil iron oxygen  \n\n| Elements | Compounds | Mixtures |\n| --- | --- | --- |\n|  |  |  |\n\n[5]  \n2 The diagrams below represent elements, compounds and mixtures.  \nChoose from the following list the best description of each diagram  \n􀁸 an element  \n􀁸 a compound  \n􀁸 a mixture of elements and compounds  \n􀁸 a mixture of compounds  \nA B C D  \n[4]  \n3 a There are three states of matter: solid, liquid and gas.  \n(i) which state of matter can be most easily compressed?.................................................................................................................................... [ 1]  \n(ii) which state of matter keeps its own shape?.................................................................................................................................... [ 1]  \n(iii) which state of matter takes the shape of the bottom of the container it is in?.................................................................................................................................... [ 1]  \nb Look at the diagram below about that shows how the states of matter can be changed.  \n(i) What is the name of the process when a solid turns into a liquid?  \n.................................................................................................................................... [ 1]  \n(ii) What is the name of the process when a gas turns into a liquid?.................................................................................................................................... [ 1]  \n(iii) What is the name of the process when a solid turns into a gas?.................................................................................................................................... [ 1]  \n4 This question is about acids and their reactions.  \na Universal Indicator solution can be used to show that a solution is acidic, neutral or alkaline.  \nA student puts a few drops of Universal Indicator solution into pure water in a test tube. She then adds hydrochloric acid until she sees no further colour changes.  \nDescribe the changes in colour that you would expect to see during the student’s experiment.  \n\n|  |\n| --- |\n|  |\n\nb Acids can react with alkalis, bases and metals to form salts.  \nFor example hydrochloric acid reacts with sodium hydroxide to form the salt sodium chloride. Water is also produced in this reaction.  \nGive the names of the salts produced in the following reactions.  \ni) hydrochloric acid and potassium hydroxide    \nii) sulfuric acid and magnesium hydroxide    \niii) sulfuric acid and copper oxide .................................................................  \niv) nitric acid and lead carbonate .................................................................  \nv) hydrochloric acid and zinc .................................................................  \n[5]  \nc Acids are often described as corrosive or irritant.  \nThey have to have hazard symbol on their bottles.  \ni) Write the word corrosive next to the appropriate symbol.  \nii) Write the word irritant next to the appropriate symbol.  \n5. The diagram shows a lithium atom which has atomic number 3 and mass number 7.  \nelectron  \n proton  \n neutron  \nIn the space below draw a similar labelled diagram of an atom of boron, showing its electron arrangement and numbers of protons and neutrons. Boron has an atomic number of 5 and amass number of 11.","cbCaicq80yuuMPNN","https://ap.wps.com/l/cbCaicq80yuuMPNN","pdf",748060,"English","# INSTRUCTIONS\n# Questions\n## 1 Materials classification\n## 2 Diagrams: elements compounds mixtures\n## 3 States of matter and phase changes\n## 4 Acids and reactions\n## 5 Atomic structure: boron\n## 6 Particles: ions and isotopes\n## 7 Data analysis: magnesium heating and graphing","[{\"question\":\"What is the time limit and total marks for this chemistry exam sample?\",\"answer\":\"The time allowed is 30 minutes and the total marks are 40.\"},{\"question\":\"How should students handle questions they do not understand?\",\"answer\":\"Skip the question and go on to the next one, then return to any missed questions when finished.\"},{\"question\":\"What topics are included in the questions?\",\"answer\":\"Topics include sorting elements/compounds/mixtures, states of matter and phase changes, acids and universal indicator colour changes, salt formation reactions, hazard symbols, atomic structure, particle properties, and graphing results from heating magnesium.\"}]","Year 10 Chemistry Sample Entrance Examination - Instructions and Questions | PDF",1790755465,23]