Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 May/June 2024 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 2, May/June 2024: the question paper and its official mark scheme, 40 questions worth 40 marks. Free to open, no account needed.
- Questions
- 40
- Marks
- 40
File names: 0620_s24_qp_12 · 0620_s24_ms_12
Topics in this paper
Which syllabus chapters 0620/12 May/June 2024 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 May/June 2024
- Question 1
Which statement about gases is correct? 1 Gases are difficult to compress when pressure is applied. A The particles in gases are close together. B The particles in gases have a random arrangement. C The particles in gases move slowly …
- Question 2
A sample of argon gas is heated in a closed container. Which row describes what happens to the pressure and the size of the argon atoms? 2 size pressure increases decreases A stays the same decreases B increases increases C …
- Question 3
Which statement is correct? 3 Air is a mixture of gaseous elements only. A Alloys are formed when a metal is ionically bonded to other elements. B Carbon dioxide is a mixture of carbon and oxygen. C Potassium bromide is …
- Question 4
Which row identifies methods of testing the purity of a compound? 4 chromatography boiling point melting point …
- Question 5
Which row shows the number of protons, neutrons and electrons in the ion ? 5 electrons neutrons protons …
- Question 6
Isotopes of the same element have some features that are the same and some that are different. Which row shows the features that are the same and those that are different? 6 number of outer shell electrons proton number nucleon …
- Question 7
The electronic configurations of four atoms, …
- Question 8
Which statement about bonding is correct? 8 All the atoms in CH4, NH3 and H2O molecules have noble gas electronic configurations. A Calcium chloride is a covalent molecule. B Group I metals gain electrons when they bond with Group VII …
- Question 9
Which statement about diamond is correct? 9 It is a giant covalent structure consisting of carbon atoms and each atom is bonded to four other atoms. A It is a giant covalent structure consisting of flat sheets of carbon atoms. …
- Question 10
Which row shows the correct formulae of lead(II) bromide and butane? 10 butane lead(II) bromide C4H8 PbBr2 A C4H10 PbBr2 B C4H8 Pb2Br C C4H10 Pb2Br D
- Question 11
Calcium phosphate forms when calcium chloride and sodium phosphate solutions react together. x CaCl …
- Question 12
What is the definition of relative molecular mass, Mr? 12 It is the average mass of the isotopes in a compound. A It is the sum of the atomic numbers in a compound. B It is the sum of the …
- Question 13
In an experiment, a molten compound is broken down using electricity. Which row identifies the negative electrode and the general name for the molten compound being broken down? 13 general name for the molten compound negative electrode electrolysis anode A …
- Question 14
Hydrogen–oxygen fuel cells can be used to power vehicles. What is produced by the fuel cells? 14 carbon dioxide 1 electricity 2 water 3 2 and 3 only D 1 and 3 only C 1 and 2 only …
- Question 15
Three reactions are described. 15 An acid is added to substance H. Rapid fizzing happens and the temperature decreases. 1 When substance J is ignited, it produces large quantities of heat. 2 Substance K reacts slowly with air and becomes …
- Question 16
Which of the processes produces a physical change? 16 thermal decomposition of calcium carbonate A addition of sodium chloride to water B addition of magnesium to hydrochloric acid C combustion of sodium D
- Question 17
A known mass of gaseous ammonia and excess gaseous hydrogen chloride react together to make solid ammonium chloride. Line X shows the total mass of ammonium chloride produced over time. The reaction is repeated at a higher pressure. All other …
- Question 18
The equation for the hydration of anhydrous copper(II) sulfate is shown. CuSO4 + 5H2O →CuSO4•5H2O Which colour change is observed in this reaction? 18 blue to white A white to blue B pink to blue C blue to pink D
- Question 19
Which of the reactions show the underlined substance being reduced? 19 CuO + H2 →Cu …
- Question 20
Four different solutions are separately tested with blue litmus and with methyl orange. Each solution is known to be either acidic or alkaline. The results are shown. 20 result with methyl orange result with blue litmus solution red red 1 …
- Question 21
Which statement about sulfur dioxide or calcium oxide is correct? 21 Calcium oxide is an acid. A Calcium oxide turns thymolphthalein yellow. B Sulfur dioxide is a base. C Sulfur dioxide turns thymolphthalein colourless. D
- Question 22
Which substances can be used to make pure crystals of sodium sulfate? 22 potassium sulfate and sodium hydroxide A sodium carbonate and sulfuric acid B sodium nitrate and magnesium sulfate C sulfuric acid and sodium chloride D
- Question 23
Which statements describe changes that occur from left to right across a period of the Periodic Table? 23 The atomic number of the elements increases. 1 The metallic character of the elements decreases. 2 The physical state of the elements …
- Question 24
Part of the Periodic Table is shown. Which element is the most reactive non-metal? …
- Question 25
An alloy contains aluminium, copper, magnesium, manganese, silver and zirconium. Which row identifies the number of transition elements in the alloy and the relative density of the transition elements compared to sodium? 25 relative density of transition elements compared to …
- Question 26
Which statement about the halogens and their compounds is correct? 26 The colour of the element gets lighter going down Group VII. A The elements get less dense going down Group VII. B When chlorine is added to sodium iodide …
- Question 27
Which row describes an element in Group VIII of the Periodic Table? 27 structure boiling point /°C diatomic −107 A monatomic −107 B diatomic 107 C monatomic 107 D
- Question 28
Magnesium reacts with dilute hydrochloric acid. Which gas is given off in this reaction? 28 carbon dioxide A chlorine B hydrogen C oxygen D
- Question 29
Which statement about aluminium is correct? 29 Aluminium is easy to extract from its ore because it is near the bottom of the reactivity series. A Aluminium is formed when aluminium oxide is heated with carbon. B Bauxite is an …
- Question 30
Which statement shows that a liquid is pure water? 30 It boils at 100°C. A It has a pH value of 7. B It turns blue cobalt(II) chloride pink. C It turns white copper(II) sulfate blue. D
- Question 31
Which compound can be added to ammonium sulfate to make an NPK fertiliser? 31 (NH4)3PO4 A KNO3 B K3PO4 C CO(NH2)2 D
- Question 32
Four gases found in air are listed. 32 carbon dioxide 1 carbon monoxide 2 methane 3 sulfur dioxide 4 Which gases lead directly to global warming when their concentrations are increased? 2 and …
- Question 33
The structures of four organic compounds are shown. …
- Question 34
Which of the statements about propene are correct? 34 Propene contains only single bonds. 1 Propene decolourises aqueous bromine. 2 Propene is obtained by cracking large alkanes. 3 Propene is a hydrocarbon. 4 2 and 4 only …
- Question 35
Petroleum is a mixture. Which method is used to separate petroleum into its components? 35 chromatography A cracking B filtration C fractional distillation D
- Question 36
The equation for a reaction that produces ethanol is shown. ethene + steam →ethanol Which type of reaction does the equation represent? 36 addition A combustion B fermentation C polymerisation D
- Question 37
Four statements about ethene or poly(ethene) are listed. 37 Poly(ethene) is produced by an addition reaction. 1 Ethene is a monomer. 2 Poly(ethene) is a monomer. 3 Poly(ethene) decolourises aqueous bromine. 4 Which statements are correct? 3 and …
- Question 38
Sea water contains dissolved sodium chloride. Which method is used to obtain pure water from sea water? 38 chromatography A distillation B evaporation C filtration D
- Question 39
Which piece of apparatus is used to measure exactly 21.4cm3 of water? 39 a 25cm3 beaker A a 25cm3 pipette B a 50cm3 burette C a 50cm3 measuring cylinder D
- Question 40
An aqueous solution of compound M is tested. The results are shown. 40 a lilac colour in a flame test • a white precipitate when tested with acidified barium nitrate • What is compound M? copper(II) chloride A copper(II) sulfate …
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