Cambridge IGCSE · 0620 · Paper 2 · Multiple choice (Extended)
Chemistry 0620/22 May/June 2017 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Multiple choice (Extended)), variant 2, May/June 2017: the question paper and its official mark scheme, 40 questions, with the grade thresholds. Free to open, no account needed.
- Questions
- 40
- Marks
- 40
- Grade A from
- 26
File names: 0620_s17_qp_22 · 0620_s17_ms_22
Grade thresholds for 0620/22 May/June 2017
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 | F | G |
|---|---|---|---|---|---|---|
| 26 | 22 | 19 | 15 | 12 | 11 | 10 |
Topics in this paper
Which syllabus chapters 0620/22 May/June 2017 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/22 May/June 2017
- Question 1
Small crystals of purple KMnO4 (Mr = 158) and orange K2Cr2O7 (Mr = 294) were placed at the centres of separate petri dishes filled with agar jelly. They were left to stand under the same physical conditions. After some time, …
- Question 2
Impurities change the melting and boiling points of substances. Sodium chloride is added to a sample of pure water. How does the addition of sodium chloride affect the melting point and boiling point of the water? melting point boiling point …
- Question 3
The diagram shows a chromatogram of four substances. Which substance has an Rf value of approximately …
- Question 4
Which element does not form a stable ion with the same electronic structure as argon? A aluminium B chlorine C phosphorus D potassium
- Question 5
Graphite and diamond are both forms of the element carbon. Which row shows the number of other carbon atoms that each carbon atom is covalently bonded to in graphite and diamond? graphite diamond …
- Question 6
Which statement describes metallic bonding? A The attraction between a lattice of negative ions and delocalised protons. B The attraction between a lattice of positive ions and delocalised electrons. C The attraction between delocalised protons and electrons. D The attraction …
- Question 7
Which equations are balanced? 1 Fe2O3 + 3CO → 2Fe + 3CO2 2 ZnCO3 + 2HCl → ZnCl 2 + CO2 …
- Question 8
Calcium carbide, CaC2, reacts with water to form ethyne, C2H2, and calcium hydroxide. The equation for the reaction is shown. CaC2(s) …
- Question 9
Which statement about electrolysis is correct? A Electrons move through the electrolyte from the cathode to the anode. B Electrons move towards the cathode in the external circuit. C Negative ions move towards the anode in the external circuit. D …
- Question 10
The reactivity series for a number of different metals is shown. most reactive least reactive magnesium zinc iron copper silver platinum The diagram shows different metal strips dipped into an electrolyte. V metal strip metal strip electrolyte Which pair of …
- Question 11
Which statement about fuels is correct? A Heat energy can only be produced by burning fuels. B Hydrogen is used as a fuel although it is difficult to store. C Methane is a good fuel because it produces only water …
- Question 12
Which statements about exothermic and endothermic reactions are correct? 1 During an exothermic reaction, heat is given out. 2 The temperature of an endothermic reaction goes up because heat is taken in. 3 Burning methane in the air is an …
- Question 13
The equation for the reaction between hydrogen and chlorine is shown. H2(g) + Cl 2(g) → 2HCl (g) The reaction is exothermic. The bond energies are shown in the table. bond bond energy in kJ / mol Cl –Cl +240 …
- Question 14
A gas is produced when calcium carbonate is heated. Which type of change is this? A chemical B exothermic C physical D separation
- Question 15
A student was investigating the reaction between marble chips and dilute hydrochloric acid. bung marble chips 25 cm3 of dilute hydrochloric acid gas syringe Which changes slow down the rate of reaction? temperature of acid concentration of acid surface area …
- Question 16
The reaction used to manufacture ammonia from nitrogen and hydrogen is reversible. An equilibrium can be established between ammonia, nitrogen and hydrogen. Which statement describes the equilibrium? A Both the forward reaction and the backward reaction have the same rate. …
- Question 17
An example of a redox reaction is shown. Zn + Cu2+ → Zn2+ + Cu Which statement about the reaction is correct? A Zn is the oxidising agent and it oxidises Cu2+. B Zn is the oxidising agent and it …
- Question 18
Which type of oxide is aluminium oxide? A acidic B amphoteric C basic D neutral
- Question 19
Which statements about a weak acid, such as ethanoic acid, are correct? 1 It reacts with a carbonate. 2 It does not neutralise aqueous sodium hydroxide solution. 3 It turns red litmus blue. 4 It is only partially ionised in …
- Question 20
Silver chloride is a white solid which is insoluble in water. Which statement describes how a sample of pure silver chloride can be made? A Add aqueous silver nitrate to aqueous sodium chloride and then filter. B Add aqueous silver …
- Question 21
Dilute sulfuric acid is added to two separate aqueous solutions, X and Y. The observations are shown. solution X white precipitate solution Y bubbles of a colourless gas Which row shows the ions present in the solutions? solution X solution …
- Question 22
Which element is less reactive than the other members of its group in the Periodic Table? A astatine B caesium C fluorine D rubidium
- Question 23
The elements oxygen and sulfur are in the same group of the Periodic Table. Which statement about oxygen and sulfur is not correct? A They are non-metals. B They have giant covalent structures. C They have six electrons in their …
- Question 24
Why are weather balloons sometimes filled with helium rather than hydrogen? A Helium is found in air. B Helium is less dense than hydrogen. C Helium is more dense than hydrogen. D Helium is unreactive.
- Question 25
Which process is involved in the extraction of zinc from zinc blende? A Cryolite is added to lower the melting point of zinc blende. B Molten zinc blende is electrolysed. C Zinc blende is heated with carbon. D Zinc blende …
- Question 26
Element E: • forms an alloy • has a basic oxide • is below hydrogen in the reactivity series. What is E? A carbon B copper C sulfur D zinc
- Question 27
A list of metals is shown. aluminium copper iron magnesium silver zinc Which metal will displace all of the other metals from aqueous solutions of their salts? A aluminium B iron C magnesium D zinc
- Question 28
Stainless steel is an alloy of iron and other metals. It is strong and does not rust but it costs much more than normal steel. What is not made from stainless steel? A cutlery B pipes in a chemical factory …
- Question 29
The diagram shows some uses of water in the home. …
- Question 30
The carbon cycle includes the processes combustion, photosynthesis and respiration. Which row shows how each process changes the amount of carbon dioxide in the atmosphere? combustion photosynthesis respiration A decreases decreases increases B decreases increases decreases C increases decreases increases …
- Question 31
Which statement about the conditions used in the Haber process is not correct? A A high temperature is used because the forward reaction is exothermic. B A high pressure is used because there are fewer moles of gas in the …
- Question 32
Which chemical reaction decreases pollution in the air? …
- Question 33
Which statement about sulfuric acid is correct? A It is made by the Haber process. B It is made in the atmosphere by the action of lightning. C It reacts with ammonia to produce a fertiliser. D It reacts with …
- Question 34
Statements about methods of manufacture and uses of calcium oxide are shown. 1 It is manufactured by reacting acids with calcium carbonate. 2 It is manufactured by heating calcium carbonate. 3 It is used to desulfurise flue gases. 4 It …
- Question 35
The industrial fractional distillation of petroleum is shown. kerosene fraction naphtha fraction gasoline fraction refinery gas diesel oil fuel oil fraction petroleum lubricating fraction and bitumen Y Which process happens at Y? A burning B condensation C cracking D evaporation
- Question 36
Which statement about homologous series is not correct? A Alkenes have the same general formula, CnH2n+2. B Each member of the homologous series of alkanes differs from the next by CH2. C The members of a homologous series all have …
- Question 37
The diagram shows part of the molecule of a polymer. …
- Question 38
Ethanol is manufactured by fermentation or by the catalytic addition of steam to ethene. What is an advantage of ethanol manufacture by fermentation instead of by the catalytic addition of steam to ethene? A Ethanol manufactured by fermentation is purified …
- Question 39
The formula of an ester is CH3CH2CH2COOCH2CH2CH3. Which acid and alcohol react together to make the ester? acid alcohol A butanoic acid butanol B butanoic acid propanol C propanoic acid butanol D propanoic acid propanol
- Question 40
Polyesters and polyamides are types of synthetic polymer. Which statements are correct? 1 They are made by addition polymerisation. 2 They are made by condensation polymerisation. 3 The monomers from which they are made are unsaturated hydrocarbons. 4 The monomers …
Other Chemistry papers from May/June 2017
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/21 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