Cambridge IGCSE · 0620 · Paper 2 · Multiple choice (Extended)
Chemistry 0620/22 May/June 2026 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Multiple choice (Extended)), variant 2, May/June 2026: 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_s26_qp_22 · 0620_s26_ms_22
Topics in this paper
Which syllabus chapters 0620/22 May/June 2026 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/22 May/June 2026
- Question 1
The arrangements of particles in solids, liquids and gases are different. Which statement about the molecules in ice, water or steam is correct? 1 The H2O molecules are on average closest together in steam. A The H2O molecules are on …
- Question 2
A sealed glass container contains 200cm3 of oxygen at 100°C. The container is cooled to 25°C. Which row shows how the average kinetic energy of the oxygen molecules and the pressure inside the container change? 2 pressure average kinetic energy …
- Question 3
and represent atoms of different elements. Which diagram represents a mixture of compounds? …
- Question 4
Which statement explains why water is a compound? 4 Hydrogen and oxygen in water can only be separated using a chemical change. A Hydrogen and oxygen in water can be separated using a physical change. B The masses of hydrogen …
- Question 5
The table shows the number of protons, neutrons and electrons in four different particles. 5 electrons neutrons protons particle …
- Question 6
Which statement explains why sodium chloride, NaCl, has a high melting point? 6 NaCl contains strong ionic bonds. A NaCl contains strong covalent bonds. B NaCl contains strong intermolecular forces. C NaCl contains strong metallic bonds. D
- Question 7
Different forms of an element G are used as lubricants and in cutting tools. What is the structure of G? 7 giant covalent A ionic B metallic C simple covalent D
- Question 8
Which row shows the correct formulas of iron(II) bromide and zinc nitrate? 8 zinc nitrate iron(II) bromide ZnNO3 FeBr2 A Zn(NO3)2 FeBr2 B ZnNO3 Fe2Br C Zn(NO3)2 Fe2Br …
- Question 9
Which statement defines relative molecular mass? 9 the sum of the relative atomic masses A the simplest whole number ratio of the different atoms in a molecule B the number and type of different atoms in a molecule C the …
- Question 10
The equation for the reaction between magnesium and dilute hydrochloric acid is shown. Mg(s) + 2HCl(aq) →MgCl 2(aq) + H2(g) 0.10mol Mg is added to 100cm3 of 1.0mol/dm3 HCl(aq). The hydrogen produced is collected and its volume measured at room …
- Question 11
The apparatus shown is used to electroplate a copper spoon with silver. 11 power supply Which row is correct? electrolyte cathode anode aqueous silver nitrate copper spoon silver A aqueous copper(II) chloride copper spoon silver B aqueous silver nitrate silver …
- Question 12
Dilute sulfuric acid is electrolysed using inert electrodes. What is produced at the anode? 12 hydrogen A oxygen B sulfur C sulfur dioxide D
- Question 13
Aqueous copper(II) sulfate is a blue solution. The solution is electrolysed using copper electrodes. Which row describes the changes that take place during the electrolysis? 13 colour of solution mass of anode mass of cathode becomes paler increases decreases A …
- Question 14
Nitrogen trifluoride, NF3, is used in the manufacture of certain types of solar panels. The equation for the formation of nitrogen trifluoride is shown. …
- Question 15
Ethanol and ethanoic acid react to form ethyl ethanoate and water. CH3CH2OH + CH3CO2H ⇌CH3CO2CH2CH3 + H2O Which statement explains why concentrated sulfuric acid is added to the reaction mixture? 15 The position of equilibrium moves to the left-hand side. …
- Question 16
Which statement explains why increasing the concentration of a reactant increases the rate of reaction? 16 There is a higher percentage of successful collisions between particles. A The activation energy of the reaction decreases. B There is a higher percentage …
- Question 17
The Haber process is used to make ammonia. The equation for the reaction is shown. …
- Question 18
The equation represents the reaction between sulfur dioxide and acidified potassium dichromate(VI). 3SO2 + Cr2O7 2−+ 2H+ →3SO4 2−+ 2Cr3+ + H2O What is oxidised and what is the oxidising agent in this reaction? 18 oxidising agent oxidised H+ Cr2O7 …
- Question 19
A known mass of magnesium is added to excess dilute hydrochloric acid. The total volume of hydrogen produced is 70cm3. The experiment is repeated using dilute ethanoic acid in place of dilute hydrochloric acid. All other conditions are the same. …
- Question 20
Which products are formed when magnesium carbonate reacts with dilute hydrochloric acid? 20 carbon dioxide, hydrogen and magnesium chloride A carbon dioxide and magnesium chloride only B carbon dioxide, water and magnesium chloride C water and magnesium chloride only …
- Question 21
Dilute hydrochloric acid is titrated against aqueous sodium hydroxide. At the start of the titration, dilute hydrochloric acid is added to a conical flask using …
- Question 22
Four aqueous substances are listed. 22 1 ammonium carbonate 2 calcium sulfate 3 potassium chloride 4 sodium nitrate Which two substances, when added together, will give a precipitate? 3 and …
- Question 23
Which statements about the Periodic Table are correct? 23 1 The horizontal rows of the Periodic Table are called groups. 2 The Periodic Table is arranged in order of increasing proton number. 3 The elements in the second column from …
- Question 24
Which statement about alkali metals is correct? 24 Lithium is denser than sodium. A Sodium is more reactive than potassium. B Sodium has a higher melting point than potassium. C Potassium has more outer-shell electrons than sodium. D
- Question 25
Which row describes the difference in malleability between alloys and pure metals and explains the difference? 25 explanation malleability of an alloy compared with pure metal different-sized atoms slide more easily over each other less malleable A different-sized atoms slide …
- Question 26
Aluminium does not react with dilute hydrochloric acid. Zinc reacts with dilute hydrochloric acid to produce hydrogen gas. Which statement explains these observations? 26 Aluminium has a greater tendency than zinc to form positive ions. A Only aluminium is coated …
- Question 27
Which equation represents the extraction of iron from hematite in a blast furnace? 27 Fe2O3 + 3CO →2Fe + 3CO2 A FeO + CO →Fe + CO2 B 2Fe2O3 →2Fe …
- Question 28
Aluminium is extracted from its ore by electrolysis using carbon electrodes. Aluminium, oxygen and carbon dioxide are all produced during this process. Which statement about this process is correct? 28 Reduction of oxide ions happens at the carbon anode. A …
- Question 29
What is the equation for photosynthesis? 29 CO2 + 3H2 →CH3OH …
- Question 30
Modern cars are fitted with catalytic converters. Which statement about the catalysts in catalytic converters is correct? 30 They remove nitrogen from the car’s exhaust so that it cannot combine with oxygen. A They combine with oxygen from the engine …
- Question 31
Which row describes a strategy for reducing global warming and a strategy for reducing acid rain? 31 strategy for reducing acid rain strategy for reducing global warming flue gas desulfurisation burning more wood A increase use of coal for electricity …
- Question 32
The formulas of two hydrocarbons are shown. …
- Question 33
The names and structures of four organic compounds are shown. 33 propanoic acid CH3CHCOOH propene CH2=CH2CH3 propan-1-ol CH3CH2CH2OH propan-2-ol CH3CH(OH)2CH3 Which compound has the correct structure? propanoic acid A propene B propan-1-ol C propan-2-ol D
- Question 34
Which equation represents a substitution reaction? 34 CH3CH2Cl + Cl 2 →CH3CHCl 3 + HCl A CH3CH2OH →CH2CH2 …
- Question 35
Which compound reacts rapidly with bromine to produce CH3CHBrCHBrCH3? 35 CH3CH2Br A CH2=CHCH2CH3 B CH3CH=CHCH3 C CH3CH2CH2CH3 …
- Question 36
Which structure represents the polymer PET? …
- Question 37
Which diagram shows the structure of nylon? …
- Question 38
The colours in an ink can be separated by chromatography. Which diagram shows the correct way to set up the apparatus? 38 D spot of ink solvent B spot of ink solvent C spot of ink solvent A spot of …
- Question 39
Which process is used to produce drinking water from sea water? 39 crystallisation A distillation B filtration C chlorination D
- Question 40
A sample of an ionic compound produces an orange-red flame test colour. Which metal ion is present in the compound? 40 Ca2+ …
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