Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 Feb/March 2024 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 2, Feb/March 2024: 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_m24_qp_12 · 0620_m24_ms_12
Grade thresholds for 0620/12 Feb/March 2024
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 | 18 | 16 | 14 |
Topics in this paper
Which syllabus chapters 0620/12 Feb/March 2024 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 Feb/March 2024
- Question 1
Which statement about a solid, a liquid or a gas is correct? 1 A solid has a fixed shape and can be compressed. A A liquid takes the shape of the container it is in and can be compressed. B …
- Question 2
Which diagram represents a mixture of compounds? …
- Question 3
Four ions are listed. 3 Cl – Li+ Al 3+ N3– Which pair of ions have the same electronic configuration? N3– and Li+ A Al 3+ and N3– B Cl – and Al 3+ C Li+ and Cl – D
- Question 4
Which statement about isotopes is correct? 4 Atoms with different numbers of electrons are isotopes of each other. A Atoms with the same mass numbers are isotopes of each other. B Isotopes of the same element have different numbers of …
- Question 5
Which statement about the ions formed by the elements in Group VII of the Periodic Table is correct? 5 All the ions have the same charge of 1–. A All the ions have the same number of electron shells. B …
- Question 6
Which row describes the properties of potassium bromide? 6 electrical conductivity when solid melting point soluble in water good high no A good low yes B poor low no C poor high yes D
- Question 7
Which statement explains why graphite is used as a lubricant? 7 Each carbon atom in graphite forms three bonds. A The bonding in graphite is covalent. B The carbon atoms are arranged in hexagons. C There are weak forces of …
- Question 8
What is the balanced equation for the reaction between magnesium and dilute sulfuric acid? 8 Mg + H2SO4 →MgSO4 …
- Question 9
The relative atomic mass, Ar, of an element is the average mass of the isotopes of that element compared to another particle. Which particle is used for this comparison? 9 a proton A an atom of 12C B an atom …
- Question 10
The equations for two reactions are shown. 10 equation …
- Question 11
Concentrated aqueous sodium chloride is electrolysed using graphite electrodes. What is the product formed at the cathode? 11 chlorine A hydrogen B oxygen C sodium D
- Question 12
Which row describes the changes that occur when metals burn in oxygen? 12 metal temperature oxidised decreases A reduced decreases B oxidised increases C reduced increases D
- Question 13
When calcium carbonate is heated strongly, carbon dioxide gas is produced. Which words describe the type of change that occurs? 13 endothermic and chemical A endothermic and physical B exothermic and chemical C exothermic and physical D
- Question 14
Which row about a hydrogen–oxygen fuel cell is correct? 14 equation for the reaction energy transfer …
- Question 15
Which list contains only chemical changes? 15 melting, evaporating, dissolving A rusting, freezing, cracking B neutralisation, polymerisation, combustion C boiling, condensing, distillation D
- Question 16
Excess calcium carbonate is added to 50cm3 of dilute hydrochloric acid of different concentrations in two separate experiments. The volume of gas produced in experiment 1 and in experiment 2 is measured every 30 seconds. The results are shown. 16 …
- Question 17
An experiment is set up as shown. The mass of the conical flask and its contents is measured at 30-second intervals. 17 50 cm3 dilute hydrochloric acid balance 1 g calcium carbonate Which statement about the reaction and changes to …
- Question 18
Which reaction is reversible? 18 reaction of aqueous sodium hydroxide with dilute hydrochloric acid A formation of anhydrous copper(II) sulfate from hydrated copper(II) sulfate B oxidation of methane to form carbon dioxide and water C combustion of sulfur to form …
- Question 19
Silver oxide reacts with magnesium to make silver and magnesium oxide. Ag2O + Mg →2Ag + MgO Which substance is oxidised in this reaction? 19 magnesium A magnesium oxide B silver C silver oxide D
- Question 20
Compound X dissolves in water to form an aqueous solution. Methyl orange is added to aqueous compound X. The methyl orange turns red. What is compound X? 20 sodium carbonate A copper(II) oxide B potassium oxide C sulfur dioxide D
- Question 21
Dilute hydrochloric acid reacts with aqueous sodium hydroxide in a neutralisation reaction. Which two ions are involved in this neutralisation reaction? 21 OH– and Cl – D Na+ and Cl …
- Question 22
The table shows some properties of some of the elements in Group I of the Periodic Table. 22 reaction with water melting point/°C element fizzes steadily fizzes vigorously fizzes very vigorously …
- Question 23
Copper(II) sulfate crystals are blue. They are made by adding an excess of copper(II) oxide to sulfuric acid. The mixture is heated and stirred. The mixture is then filtered and the filtrate is allowed to evaporate, leaving blue crystals. Why …
- Question 24
Which barium salts are soluble in water? 24 barium carbonate 1 barium chloride 2 barium nitrate 3 barium sulfate 4 3 and …
- Question 25
Which statement about the properties of elements in Group I or in Group VII is correct? Bromine displaces iodine from an aqueous solution of potassium iodide. A Chlorine, bromine and iodine are diatomic gases at room temperature. B Lithium, sodium …
- Question 26
Rubidium and strontium are both in Period 5 of the Periodic Table. Rubidium is in Group I. Strontium is in Group II. Which statement about these elements is correct? 26 Each element has five electrons in its outer electron shell. …
- Question 27
A company needs a metal with a low density which resists corrosion and is a good electrical conductor. Which metal should it use? 27 aluminium A iron B magnesium C sodium D
- Question 28
Which statement about stainless steel is correct? 28 All atoms in stainless steel are the same size. A Stainless steel is a mixture of copper and zinc. B Stainless steel is an iron compound. C Stainless steel is stronger than …
- Question 29
Which statements explain why a water tap made of steel is electroplated with copper? 29 It improves the conductivity of the tap. 1 It improves the tap’s resistance to corrosion. 2 It increases the density of the tap. 3 3 …
- Question 30
The table shows the results of separately heating four metals with oxides of different metals. The four metals are iron, copper, magnesium and Y. The results are shown. 30 iron oxide copper oxide Y oxide magnesium oxide metal key …
- Question 31
Which metal is most easily obtained from its ore? 31 aluminium A copper B calcium C iron D
- Question 32
Why is distilled water used in chemical experiments rather than tap water? 32 Distilled water contains fewer chemical impurities. A Distilled water has a better colour. B Distilled water has a higher boiling point. C Distilled water is a better …
- Question 33
Which type of compound is also the name of a homologous series? 33 carbonate A carboxylic acid B halide C hydroxide D
- Question 34
The fractional distillation of petroleum is shown. 34 paraffin fraction gasoline fraction refinery gas fraction diesel oil fraction lubricating oil fraction petroleum bitumen fraction Which fraction is the least volatile? bitumen A diesel oil B gasoline C refinery gas D
- Question 35
Which formula represents an unsaturated hydrocarbon? …
- Question 36
The structure of an organic compound is shown. 36 O OH …
- Question 37
Which statement describes methane? 37 It is an alcohol. A It is an unsaturated molecule. B It contains carbon, hydrogen and oxygen atoms only. C Its molecules contain four single covalent bonds. D
- Question 38
Which row explains why plastics such as poly(ethene) cause pollution? 38 produce toxic gases when burned accumulate in the oceans A no no B no yes C yes no D yes yes
- Question 39
Two experiments are described. 39 experiment 1 A large mass of copper(II) sulfate is stirred into a beaker of water. After a few minutes, undissolved crystals are visible on the bottom of the beaker. Sea water is distilled. Distilled water …
- Question 40
An aqueous sample of X is heated with aqueous sodium hydroxide and small pieces of aluminium. A gas is produced which turns damp red litmus paper blue. Aqueous sodium hydroxide is added to a second aqueous sample of X. A …
Other Chemistry papers from Feb/March 2024
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