Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/11 Oct/Nov 2023 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 1, Oct/Nov 2023: the question paper and its official mark scheme, 40 questions worth 40 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 40
- Marks
- 40
- Grade A from
- 22
File names: 0620_w23_qp_11 · 0620_w23_ms_11
Grade thresholds for 0620/11 Oct/Nov 2023
The minimum raw marks Cambridge set for each grade on this component (out of 40). Thresholds change every session and variant, so always compare your score with the paper you actually sat.
| A | B | C | D | E |
|---|---|---|---|---|
| 22 | 20 | 17 | 15 | 13 |
Topics in this paper
Which syllabus chapters 0620/11 Oct/Nov 2023 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/11 Oct/Nov 2023
- Question 1
The three rectangles show the arrangements of the particles in each of the three states of matter. X, Y and Z represent the processes needed to change from one state to another. …
- Question 2
Which substance is a pure compound? A air B brass C ethanol D petroleum
- Question 3
The Group I element potassium forms an ionic bond with the Group VII element fluorine. Which two ions are produced? A K+ and …
- Question 4
An isotope of lithium has the symbol Li. 7 3 What is the arrangement of electrons in one atom of this isotope of lithium? …
- Question 5
Fluorine, F2, is in the same group of the Periodic Table as chlorine, Cl 2. Which diagram represents the arrangement of the outer-shell electrons in a molecule of fluorine? …
- Question 6
Which use of graphite depends on the layers of carbon atoms being able to slide over each other? A cutting tools B electrodes C jewellery D lubricant
- Question 7
Which equations are balanced? 1 Fe2O3 + 3CO → 2Fe + 3CO2 2 ZnCO3 + 2HCl → ZnCl 2 + CO2 …
- Question 8
The equation for the combustion of methane is shown. CH4 …
- Question 9
What is produced at each electrode during the electrolysis of aqueous solutions using inert electrodes? positive electrode (anode) negative electrode (cathode) A metals or hydrogen non-metals only B metals or oxygen non-metals only C non-metals only metals or hydrogen D …
- Question 10
Which statement about a hydrogen-oxygen fuel cell in a car is correct? A The fuel cell produces heat, which powers the car. B The fuel cell is supplied with hydrogen directly from the air. C The only emission from the …
- Question 11
The reaction pathway diagram for a reaction is shown. energy progress of reaction reactants products Which statements are correct? 1 The reaction is exothermic. 2 The reaction is endothermic. 3 The temperature of the surroundings increases. 4 The temperature of …
- Question 12
Which process involves a chemical change? A adding sodium to water B boiling water C dissolving sodium chloride in water D producing water from aqueous sodium chloride
- Question 13
An experiment is carried out to find the rate of reaction between hydrochloric acid and zinc. Zn(s) + 2HCl (aq) → ZnCl 2(aq) + H2(g) The results of the experiment are shown. time y-axis 0 0 What is the label …
- Question 14
Solid S changes colour from white to blue when water is added. What is S? A anhydrous cobalt(II) chloride B anhydrous copper(II) sulfate C hydrated cobalt(II) chloride D hydrated copper(II) sulfate
- Question 15
Which equation shows the reduction of copper? A CuO …
- Question 16
Which solids react with dilute sulfuric acid to form aqueous magnesium sulfate? 1 magnesium 2 magnesium hydroxide 3 magnesium nitrate 4 magnesium oxide …
- Question 17
Which statements about an aqueous acid are correct? 1 Ammonia is formed when solid ammonium nitrate is added to an aqueous acid. 2 Effervescence is seen when sodium carbonate is added to an aqueous acid. 3 Methyl orange becomes yellow …
- Question 18
Copper(II) sulfate is formed by reacting excess solid copper(II) carbonate with dilute sulfuric acid. Which processes are part of the preparation of solid copper(II) sulfate? 1 crystallisation 2 distillation 3 filtration 4 titration A 1 and …
- Question 19
Element X forms ions with the formula X2–. Which row describes element X? group number type of element A II metal B II non-metal C VI metal D VI non-metal
- Question 20
Which compound is likely to be coloured? A KMnO4 B KNO3 C K2CO3 D K2SO4
- Question 21
Chlorine, bromine and iodine are in the same group of the Periodic Table. Which statements about these three elements are correct? 1 Iodine is more reactive than chlorine. 2 They are diatomic covalent molecules. 3 They are all gases at …
- Question 22
The electronic configurations of four elements, …
- Question 23
The table shows some physical properties of four different substances. Which row describes the properties of a non-metallic element? melting point / °C conductivity when solid conductivity when melted A 63 good good B 119 poor poor C 659 good …
- Question 24
The equation shows the reaction between a halogen and the aqueous ions of another halogen. …
- Question 25
Zinc oxide reacts with carbon to produce zinc. Which equation represents this reaction? A 2ZnO …
- Question 26
Iron nails are stored in an airtight container. lid air iron nails The nails begin to rust after a few days. How can the rusting of the nails be prevented? A Leave the lid off. B Replace the air with …
- Question 27
Four substances present in the blast furnace during iron extraction are listed. 1 calcium carbonate 2 carbon dioxide 3 carbon monoxide 4 iron(III) oxide Which substances are both a reactant and a product during the reactions occurring in the blast …
- Question 28
Which test is used to show that a sample of water is pure? A Evaporate the water to see if any solids remain. B Heat the water to check its boiling point. C Test with anhydrous cobalt(II) chloride. D Use …
- Question 29
Which mixture of salts produces an NPK fertiliser? A ammonium phosphate + potassium sulfate B calcium phosphate + sodium nitrate C potassium nitrate + calcium sulfate D sodium phosphate + ammonium nitrate
- Question 30
What are the main products obtained by the fractional distillation of liquid air? A carbon dioxide and oxygen B carbon dioxide and water vapour C nitrogen and oxygen D nitrogen and water vapour
- Question 31
In which reaction is the rate of reaction increased by light? A carbon dioxide + water → glucose + oxygen B ethanoic acid + sodium carbonate → sodium ethanoate + water + carbon dioxide C ethene + bromine → dibromoethane …
- Question 32
The structures of three organic molecules are shown. …
- Question 33
Petroleum is separated into fractions by fractional distillation. Which row describes a use of the named fraction? fraction use A bitumen fuel for ships B refinery gas jet fuel C fuel oil road making D gasoline fuel for cars
- Question 34
Which statement about alkanes is correct? A They are saturated. B They are very reactive. C They contain carbon, hydrogen and oxygen only. D They contain double bonds.
- Question 35
What is the approximate volume of nitrogen in 200 cm3 of air? A 20 cm3 B 40 cm3 C 80 cm3 D 160 cm3
- Question 36
The apparatus used to investigate the rate at which hydrogen gas is given off when a piece of magnesium reacts with dilute hydrochloric acid is shown. magnesium and dilute hydrochloric acid hydrogen gas water Which additional piece of apparatus is …
- Question 37
Which diagram shows the displayed formula of ethanol? …
- Question 38
Ethane is used as a fuel. Which equation shows the complete combustion of ethane? …
- Question 39
The equation for the reaction of aqueous calcium nitrate and aqueous sodium hydroxide is shown. Ca(NO3)2(aq) + 2NaOH(aq) → Ca(OH)2(s) + 2NaNO3(aq) Which process is used to remove calcium hydroxide from the mixture? A chromatography B crystallisation C distillation D …
- Question 40
The results of two tests on aqueous compound X are given. test result warm with aluminium foil and aqueous sodium hydroxide ammonia is produced aqueous sodium hydroxide brown precipitate What is X? A iron(III) nitrate B iron(II) nitrate C iron(III) …
Other Chemistry papers from Oct/Nov 2023
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/21 Multiple choice (Extended)
- 0620/22 Multiple choice (Extended)
- 0620/23 Multiple choice (Extended)
- 0620/31 Theory (Core)
- 0620/32 Theory (Core)
- 0620/33 Theory (Core)
- 0620/41 Theory (Extended)
- 0620/42 Theory (Extended)
- 0620/43 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical