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It also covers solution dosage via concentration-to-volume calculations, density determination from mass and displacement, phase and state-change classification, and distinctions between physical and chemical changes. Later sections address atoms and elements, including element categories, subatomic particle descriptions, and isotope-related reasoning.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/exam/","Exam",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/general-organic-and-biological-chemistry-practice-exam-questions-chapter-1-chemistry-and-measurements/451577/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/general-organic-and-biological-chemistry-practice-exam-questions-chapter-1-chemistry-and-measurements/451577.png","ImageObject",300,407,{"name":42,"@type":43},"pop out","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-31","2026-09-30",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",12,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"How do these questions test significant figures and scientific notation?","Question",{"text":63,"@type":64},"They ask students to choose the correct measurement expressed in scientific notation and to select numbers or conversion results that contain the designated correct number of significant figures.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"What kinds of unit conversion and equivalence problems are included?",{"text":68,"@type":64},"The exam includes questions on whether measurements are equivalent across units (e.g., mg to g, L to kL) and on constructing conversion setups from centimeters to feet.",{"name":70,"@type":61,"acceptedAnswer":71},"How does the exam distinguish physical vs chemical changes?",{"text":72,"@type":64},"It provides scenarios (such as burning, rusting, melting, and evaporation) and requires identifying each transformation as a physical or chemical change.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},451577,1790945256,{"code":4,"msg":82,"data":83},"success",[84,88,92,95,100,105,110,115,120,123,127],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":89,"show_sort_weight":90,"slug":91},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":93,"slug":94},70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":101,"doc_module":4,"doc_module_name":25,"category_name":102,"show_sort_weight":103,"slug":104},6,"Technology",50,"technology",{"id":106,"doc_module":4,"doc_module_name":25,"category_name":107,"show_sort_weight":108,"slug":109},7,"Healthcare",40,"healthcare",{"id":111,"doc_module":4,"doc_module_name":25,"category_name":112,"show_sort_weight":113,"slug":114},8,"Research & Report",30,"research-report",{"id":116,"doc_module":4,"doc_module_name":25,"category_name":117,"show_sort_weight":118,"slug":119},9,"Religion & Spirituality",20,"religion-spirituality",{"id":118,"doc_module":4,"doc_module_name":25,"category_name":121,"show_sort_weight":118,"slug":122},"World Cup","world-cup",{"id":124,"doc_module":4,"doc_module_name":25,"category_name":125,"show_sort_weight":124,"slug":126},10,"Lifestyle","lifestyle",{"id":128,"doc_module":4,"doc_module_name":25,"category_name":129,"show_sort_weight":96,"slug":130},19,"General","general",{"code":4,"msg":82,"data":132},{"doc_id":79,"user_id":133,"nickname":42,"user_avatar":134,"doc_module":4,"category_id":33,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":140,"language":141,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":12,"update_tm":145,"read_time":98,"preview_page_count":4},962090760408,"https://ap-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","General, Organic, and Biological Chemistry Practice Exam Questions  \nYou may use a periodic table and a calculator only. Some of these questions may cover material your instructor did not emphasize in your course. Just skip those and focus on the material that was covered in your particular course.  \nSource: Test Bank, Timberlake, Structures of Life, 4e (Pearson)  \nChapter 1: Chemistry and Measurements  \n1) The measurement 0.000 0043 m, expressed correctly using scientific notation, is  \nA) 4.3 × 10-7 m.  \nB) 4.3 × 10-6 m.  \nC) 4.3 × 106 m.  \nD) 0.43 × 10-5 m.  \nE) 4.3 m.  \n2) Which of the following numbers contains the designated CORRECT number of significant figures?  \nA) 0.04300 5 significant figures B) 0.00302 2 significant figures C) 156 000 3 significant figures D) 1.04 2 significant figures E) 3.0650 4 significant figures  \n3) Which of the answers for the following conversions contains the correct number of significant figures?  \nA) 2.543 m × 391.4min = 100.1942 in B) 2 L × 1.061Lqt = 2.12 qt C) 24.95 min × 610in = 0.4158 hr D) 12.0 ft × 121inft × 2.541icnm = 370 cm E) 24.0 kg × 2.12l0bkg = 11 lb  \n4) Which of the following measurements are NOT equivalent?  \nA) 25 mg = 0.025 g B) 183 L = 0.183 kL C) 150. msec = 0.150 sec D) 84 cm = 8.4 mm E) 24 dL = 2.4 L  \n5) Which of the following setups would convert centimeters to feet?  \nA) cm × 2.1~~ ~~. × 11~~ ~~ft2~~ ~~in~~ ~~.  \nB) cm × 2.541incm × 12~~ ~~in1ft~~ ~~.  \nC) cm × 2.15i4nc.m × 11~~ ~~ft2~~ ~~in~~ ~~.  \nD) cm × 2.15i4nc.m × 12~~ ~~in1ft~~ ~~.  \nE) cm × 2.1~~ ~~. × 11~~ ~~ft2~~ ~~in~~ ~~.  \n6) A doctor's order is 0.125 g of ampicillin. The liquid suspension on hand contains 250 mg/5.0 mL. How many milliliters ofthe suspension are required?  \nA) 0.0025 mL  \nB) 3.0 mL  \nC) 2.5 mL  \nD) 6.3 mL  \nE) 0.0063 mL  \n7) A nugget of gold with a mass of 521 g is added to 50.0 mL of water. The water level rises to a volume of 77.0 mL. What is the density of the gold?  \nA) 10.4 g/mL  \nB) 6.77 g/mL  \nC) 1.00 g/mL  \nD) 0.0518 g/mL  \nE) 19.3 g/mL  \n8) Which one of the following substances will float in gasoline, which has a density of 0.66 g/mL?  \nA) table salt (density = 2.16 g/mL)  \nB) balsa wood (density = 0.16 g/mL)  \nC) sugar (density = 1.59 g/mL)  \nD) aluminum (density = 2.70 g/mL)  \nE) mercury (density = 13.6 g/mL)  \nMatch the type of measurement (\\#9-14 below) to the unit given, options A through E.  \nA) mass B) volume C) distance D) temperature E) density  \n9) milliliter  10) mm   11) gram   12) 125 K   \n13) kilometer  14) milligram   \nFor \\#15-22, select the correct prefix to complete the equality.  \nA) 1000  \nB) 10  \nC) 1  \nD) 0.01  \nE) 1 × 10 12  \nF) 100  \nG) 0.001  \nH) 1 × 1012  \nI) 1 × 10-12  \nJ) 0.1  \n15) 1 g =   kg  \n16) 1 m =   mm  \n17) 1 cm =   mm  \n18) 1 dL =   mL  \n19) 1 kg =   g  \n20) 1 pg =   g  \n21) 1 g =   pg  \n22) 1 mL =   cc  \nChapter 2: Energy and Matter  \n23) When a solid is converted directly to a gas, the change of state is called A) freezing.  \nB) melting.  \nC) boiling.  \nD) condensation.  \nE) sublimation.  \n24) In a gas, the distance between the particles is A) very close relative to the size of the molecules.  \nB) close relative to the size of the molecules.  \nC) fixed relative to the size of the molecules.  \nD) small relative to the size of the molecules.  \nE) very large relative to the size of the molecules.  \n25) Helium is a(n)  \nA) compound.  \nB) heterogeneous mixture.  \nC) element.  \nD) homogeneous mixture.  \nE) electron.  \n26) Air is a(n)  \nA) compound.  \nB) heterogeneous mixture.  \nC) element.  \nD) homogeneous mixture.  \nE) None of the above.  \n27) Which of the following is a chemical change?  \nA) cutting a rope B) bending a steel rod C) making a snowman D) burning sugar E) melting gold  \n28) Which of the following is a physical change? A) baking a cake  \nB) dry ice subliming  \nC) fermenting grapes to produce wine D) digesting a meal  \nE) a tomato ripening  \n29) How many calories are required to raise the temperature of a 150. g sample of gold f","cbCailkOdUAviIpG","https://ap.wps.com/l/cbCailkOdUAviIpG","pdf",543429,24,"English","# Chapter 1: Chemistry and Measurements\n## Scientific notation and significant figures\n## Unit conversions and equivalence\n## Concentration, dosage, and density\n## Substance flotation by density\n## Measurement types and unit matching\n## Metric prefixes and conversions\n# Chapter 2: Energy and Matter\n## Phase changes: solid to gas\n## Particle spacing in gases\n## Element vs mixture identification\n## Chemical vs physical changes\n## Calorimetry and specific heat\n# Chapter 3: Atoms and Elements\n## Metals and noble gases\n## Element similarity to magnesium\n## Subatomic particle descriptions\n## Mass number and isotope notation\n## Protons, neutrons, and electrons in neutral atoms","[{\"question\":\"How do these questions test significant figures and scientific notation?\",\"answer\":\"They ask students to choose the correct measurement expressed in scientific notation and to select numbers or conversion results that contain the designated correct number of significant figures.\"},{\"question\":\"What kinds of unit conversion and equivalence problems are included?\",\"answer\":\"The exam includes questions on whether measurements are equivalent across units (e.g., mg to g, L to kL) and on constructing conversion setups from centimeters to feet.\"},{\"question\":\"How does the exam distinguish physical vs chemical changes?\",\"answer\":\"It provides scenarios (such as burning, rusting, melting, and evaporation) and requires identifying each transformation as a physical or chemical change.\"}]","General, Organic, and Biological Chemistry Practice Exam Questions - Chapter 1 Chemistry and Measurements | PDF",1790735447]