Cambridge IGCSE Chemistry (9-1) 0971 — 2022 May/June Paper 1 · Variant 1
0971/11/M/J/22 · 40 questions · 40 marks · ≈45 min
The question paper and its mark scheme, free to read here and free to download. This is Cambridge’s own paper, exactly as it was sat.
Question paper16 pages
Mark scheme3 pages
Answers below. Sit the paper first if you are practising.
Questions as text
Q1 · Diagrams of the three states of matter for carbon dioxide are shown
1 Diagrams of the three states of matter for carbon dioxide are shown. 1 2 3 Which two diagrams show the states of matter before and after the sublimation of carbon dioxide? A 2 to 1 B 2 to 3 C 3 to 1 D 3 to 2
Mark scheme: C
Q2 · A student measures the time taken for 2.0 g of magnesium to dissolve in 50 cm3 of dilute…
2 A student measures the time taken for 2.0 g of magnesium to dissolve in 50 cm3 of dilute sulfuric acid. Which apparatus is essential to complete the experiment? 1 stop-clock 2 measuring cylinder 3 thermometer 4 balance A 1, 2 and 4 B 1 and 2 only C 1 and 4 only D 2, 3 and 4
Mark scheme: A
Q3 · Which method is used to separate a mixture of the following liquids?
3 Which method is used to separate a mixture of the following liquids? liquid boiling point / C methanol 64.5 ethanol 78.5 propan-1-ol 97.2 butan-1-ol 117.0 A crystallisation B evaporation C filtration D fractional distillation
Mark scheme: D
Q4 · Which substance should be pure for the intended use?
4 Which substance should be pure for the intended use? A a drug for curing disease B limestone for iron extraction C petroleum for fractional distillation D water for washing a car
Mark scheme: A
Q5 · Which row identifies an alloy, a pure metal and a non-metal?
5 Which row identifies an alloy, a pure metal and a non-metal? alloy pure metal non-metal A brass carbon copper B brass copper carbon C copper brass carbon D copper carbon brass
Mark scheme: B
Q6 · Information about the structures of three atoms, X, Y and Z, is shown
6 Information about the structures of three atoms, X, Y and Z, is shown. proton nucleon atom number number X 1 1 Y 1 2 Z 1 3 Which statements about atoms X, Y and Z are correct? 1 They are isotopes of the same element. 2 They contain the same number of electrons. 3 They contain the same number of neutrons. 4 They contain one occupied electron shell. A 1, 2 and 4 B 1 and 2 only C 3 and 4 D 3 only
Mark scheme: A
Q7 · What happens to an atom when it becomes an ion with a charge of +1?
7 What happens to an atom when it becomes an ion with a charge of +1? A It gains an electron. B It gains a proton. C It loses an electron. D It loses a proton.
Mark scheme: C
Q8 · The relative atomic mass, Ar, of an element is determined by comparing the mass of one…
8 The relative atomic mass, Ar, of an element is determined by comparing the mass of one atom of the element with the mass of one atom of element Q. What is Q? A carbon B chlorine C hydrogen D oxygen
Mark scheme: A
Q9 · Which equation for the decomposition of calcium nitrate is correct?
9 Which equation for the decomposition of calcium nitrate is correct? A Ca(NO3)2 CaO + NO2 + O2 B Ca(NO3)2 CaO + 2NO2 + O2 C 2Ca(NO3)2 2CaO + 2NO2 + O2 D 2Ca(NO3)2 2CaO + 4NO2 + O2
Mark scheme: D
Q10 · The diagram shows the electrolysis of concentrated hydrochloric acid and concentrated…
10 The diagram shows the electrolysis of concentrated hydrochloric acid and concentrated aqueous sodium chloride using carbon electrodes. + – + – electrode 1 electrode 2 electrode 3 electrode 4 concentrated concentrated aqueous hydrochloric acid sodium chloride At which electrodes is hydrogen produced? A electrode 1 only B electrodes 1 and 3 C electrode 2 only D electrodes 2 and 4
Mark scheme: D
Q11 · Overhead power cables made from (steel-cored) aluminium are used to carry electricity…
11 Overhead power cables made from (steel-cored) aluminium are used to carry electricity over long distances. Which property of (steel-cored) aluminium makes it suitable for use in power cables? A Aluminium has a low density. B Aluminium has low strength. C Steel is a good conductor of heat. D Steel is resistant to corrosion.
Mark scheme: A
Q12 · Which row identifies a chemical change and a physical change?
12 Which row identifies a chemical change and a physical change? chemical change physical change A boiling ethanol burning ethanol B burning ethanol evaporating ethanol C dissolving ethanol in water burning ethanol D evaporating ethanol dissolving ethanol in water
Mark scheme: B
Q13 · The equation for the reaction when hydrogen is used as a fuel is shown
13 The equation for the reaction when hydrogen is used as a fuel is shown. 2H2 + O2 2H2O Which statement about this reaction is correct? A Energy is given out so the temperature of the surroundings decreases. B Energy is taken in so the temperature of the surroundings increases. C The reaction is endothermic so the temperature of the surroundings decreases. D The reaction is exothermic so the temperature of the surroundings increases.
Mark scheme: D
Q14 · Which fuels release carbon dioxide when burned?
14 Which fuels release carbon dioxide when burned? 1 gasoline 2 hydrogen 3 methane A 1 and 2 B 1 and 3 C 2 and 3 D 3 only
Mark scheme: B
Q15 · Water is added to anhydrous copper(II) sulfate
15 Water is added to anhydrous copper(II) sulfate. What happens during the reaction? A The copper(II) sulfate turns blue and the solution formed gets colder. B The copper(II) sulfate turns blue and the solution formed gets hotter. C The copper(II) sulfate turns white and the solution formed gets colder. D The copper(II) sulfate turns white and the solution formed gets hotter.
Mark scheme: B
Q16 · Excess magnesium ribbon is reacted with a fixed volume of hydrochloric acid and the…
16 Excess magnesium ribbon is reacted with a fixed volume of hydrochloric acid and the volume of gas given off over time is measured. The results of two different experiments are shown. reaction 1 volume of gas given off reaction 2 00 time Which statement explains the differences between the results of the two experiments? A Reaction 1 uses a catalyst. B The acid used is twice as concentrated in reaction 1. C The magnesium ribbon is in smaller pieces in reaction 2. D The temperature is higher in reaction 2.
Mark scheme: B
Q17 · Which products are formed when magnesium hydroxide reacts with hydrochloric acid?
17 Which products are formed when magnesium hydroxide reacts with hydrochloric acid? A magnesium chloride, carbon dioxide and water B magnesium chloride, hydrogen and water C magnesium chloride and hydrogen only D magnesium chloride and water only
Mark scheme: D
Q18 · The oxides of two elements, X and Y, are separately dissolved in water and the pH of each…
18 The oxides of two elements, X and Y, are separately dissolved in water and the pH of each solution tested. oxide tested pH of solution X 1 Y 13 Which information about X and Y is correct? oxide is oxide is metal non-metal acidic basic A X Y X Y B X Y Y X C Y X X Y D Y X Y X
Mark scheme: B
Q19 · An acid is neutralised by adding an excess of an insoluble solid base
19 An acid is neutralised by adding an excess of an insoluble solid base. A soluble salt is formed. How is the pure salt obtained from the reaction mixture? A crystallisation evaporation filtration B evaporation crystallisation filtration C filtration crystallisation evaporation D filtration evaporation crystallisation
Mark scheme: D
Q20 · Three separate samples of an aqueous compound T are tested
20 Three separate samples of an aqueous compound T are tested. The results of the tests are shown. test observation acidify with dilute nitric acid, white precipitate then add aqueous barium nitrate add aqueous ammonia white precipitate, soluble in excess add aqueous sodium hydroxide white precipitate, soluble in excess What is T? A aluminium chloride B aluminium sulfate C zinc chloride D zinc sulfate
Mark scheme: D
Q21 · Part of the Periodic Table is shown
21 Part of the Periodic Table is shown. Which element is a metal? A B C D
Mark scheme: C
Q22 · The elements sodium to argon form Period 3 of the Periodic Table
22 The elements sodium to argon form Period 3 of the Periodic Table. Which row describes the trend across Period 3 from left to right? number of metallic group outer-shell electrons character number A decreases decreases decreases B decreases increases decreases C increases decreases increases D increases increases increases
Mark scheme: C
Q23 · Lithium, sodium and potassium are elements in Group I of the Periodic Table
23 Lithium, sodium and potassium are elements in Group I of the Periodic Table. Which statement about these elements is correct? A Lithium has the highest melting point and the lowest density. B Lithium has the highest density and the most violent reaction with water. C Potassium has the highest melting point and the highest density. D Potassium has the lowest melting point and the least violent reaction with water.
Mark scheme: A
Q24 · Which statement describes a transition element?
24 Which statement describes a transition element? A It can act as a catalyst and some of its compounds can also act as catalysts. B It forms white compounds with sulfur, oxygen, chlorine and bromine. C It has a low density and a piece of it will float on water. D It is a very poor conductor of electricity.
Mark scheme: A
Q25 · Which diagram represents the arrangement of the outer-shell electrons of a noble gas?
25 Which diagram represents the arrangement of the outer-shell electrons of a noble gas? A B C D
Mark scheme: A
Q26 · Which statements about the general properties of metals are correct?
26 Which statements about the general properties of metals are correct? 1 They are good conductors of heat and electricity. 2 They have low melting points. 3 They react with dilute acids to form a salt and water. 4 They react with oxygen to form basic oxides. A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4
Mark scheme: B
Q27 · Reactions of three metals and their oxides are shown
27 Reactions of three metals and their oxides are shown. add dilute heat metal | hydrochloric acid metal oxide to metal with carbon 1 Jv Jv key 2 Jv x J/ = reacts 3 x Jv X = does not react What is the order of reactivity of these metals, from most reactive to least reactive? A 135253 B 15352 C 251593 DB 253-51
Mark scheme: C
Q28 · Which uses of the metals shown are correct?
28 Which uses of the metals shown are correct? aluminium stainless steel A aircraft bodies car bodies B car bodies aircraft bodies C chemical plant food containers D food containers cutlery
Mark scheme: D
Q29 · Which statement about the reactions in the blast furnace is correct?
29 Which statement about the reactions in the blast furnace is correct? A Carbon reacts with oxygen and heats the furnace. B Carbon monoxide removes the silicon dioxide impurity forming slag. C Iron(III) oxide is oxidised to iron. D Limestone reduces iron(III) oxide to iron.
Mark scheme: A
Q30 · Iron rusts when exposed to air
30 Iron rusts when exposed to air. Which two substances in air cause iron to rust? A carbon dioxide and oxygen B nitrogen and oxygen C oxygen and water D carbon dioxide and water
Mark scheme: C
Q31 · Fertilisers are used to provide three of the elements needed for plant growth
31 Fertilisers are used to provide three of the elements needed for plant growth. Which two compounds would give a fertiliser containing all three of these elements? A Ca(NO3)2 and (NH4)2SO4 B Ca(NO3)2 and (NH4)3PO4 C KNO3 and (NH4)2SO4 D KNO3 and (NH4)3PO4
Mark scheme: D
Q32 · Which process produces methane?
32 Which process produces methane? A combustion of hydrocarbons B decomposition of vegetation C respiration D reaction between hydrochloric acid and calcium carbonate
Mark scheme: B
Q33 · Which statements about sulfur dioxide are correct?
33 Which statements about sulfur dioxide are correct? 1 Sulfur dioxide decolourises acidified potassium manganate(VII). 2 Sulfur dioxide forms when acids react with carbonates. 3 Sulfur dioxide is used as a bleach. 4 Sulfur dioxide is used to treat acidic soil. A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4
Mark scheme: A
Q34 · What are the products when limestone (calcium carbonate) is heated strongly?
34 What are the products when limestone (calcium carbonate) is heated strongly? A calcium hydroxide and carbon dioxide B calcium hydroxide and carbon monoxide C calcium oxide and carbon dioxide D calcium oxide and carbon monoxide
Mark scheme: C
Q35 · In which lists are the compounds in the same homologous series?
35 In which lists are the compounds in the same homologous series? 1 CH4, C2H4, C3H8 2 CH3OH, C2H5OH, C3H7OH 3 CH3CO2H, CH3CH2OH, CH3CH2CH2OH A 1 and 2 B 1 and 3 C 2 only D 3 only
Mark scheme: C
More questions on Formulae, functional groups and terminology
Q36 · Which row about aqueous ethanoic acid and dilute hydrochloric acid is correct?
36 Which row about aqueous ethanoic acid and dilute hydrochloric acid is correct? both contain both contain both react carbon hydrogen with carbonates A Jv x Jv key B Jv J x /=yes Cc x v v X=no D x x x
Mark scheme: C
More questions on The characteristic properties of acids and bases
Q37 · Some properties of colourless liquid L are listed
37 Some properties of colourless liquid L are listed. ● It boils at 65 C. ● When added to water, two layers form which do not mix. ● It does not react with sodium carbonate. ● It has no effect on bromine water. What is L? A ethanol B hexane C hexene D ethanoic acid
Mark scheme: B
Q38 · A molecule of compound P contains two carbon atoms and four hydrogen atoms
38 A molecule of compound P contains two carbon atoms and four hydrogen atoms. Which row represents P? name of M reacts with compound " aqueous bromine A ethane 30 x B ethene 16 v Cc ethene 28 v D ethene 28 x
Mark scheme: C
Q39 · The equation representing the reaction of a hydrocarbon with water is shown
39 The equation representing the reaction of a hydrocarbon with water is shown. catalyst CxHy + H2O CxH5OH What are the values of x and y? x y A 1 4 B 1 6 C 2 4 D 2 6
Mark scheme: C
Q40 · Many molecules of J join together in reaction R to form a long chain molecule K
40 Many molecules of J join together in reaction R to form a long chain molecule K. K is the only product. Which row describes molecule J, reaction R and molecule K? molecule J reaction R molecule K A polymer addition monomer B monomer addition polymer C polymer cracking monomer D monomer cracking polymer
Mark scheme: B
What was in this paper
The subtopics covered by these 40 questions, and how many questions each got. Open one in a new tab to see every Cambridge question on it.
2Arrangement of elements2Exothermic and endothermic reactions2Oxides2Preparation of salts2Properties of metals2Rate of reaction2Alcohols1Alkanes1Alkenes1Alloys and their properties1Corrosion of metals1Electrolysis1Experimental design1Extraction of metals1Fertilisers1Formulae1Formulae, functional groups and terminology1Fuels1Group I properties1Identification of ions and gases1Ions and ionic bonds1Isotopes1Noble gases1Physical and chemical changes1Polymers1Reactivity series1Relative masses of atoms and molecules1Separation and purification1Solids, liquids and gases1The characteristic properties of acids and bases1Transition elements1Uses of metals1What you needed in this session
Cambridge’s own grade thresholds for 2022 May/June, Paper 1 · Variant 1. A higher threshold means an easier paper — the bar moves with how the cohort did.