Cambridge IGCSE · 0620 · Paper 2 · Multiple choice (Extended)
Chemistry 0620/22 May/June 2016 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Multiple choice (Extended)), variant 2, May/June 2016: 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
- 25
File names: 0620_s16_qp_22 · 0620_s16_ms_22
Grade thresholds for 0620/22 May/June 2016
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 |
|---|---|---|---|---|---|---|
| 25 | 22 | 19 | 15 | 12 | 10 | 8 |
Topics in this paper
Which syllabus chapters 0620/22 May/June 2016 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/22 May/June 2016
- Question 1
The particles of a substance gain energy and change from a regular ordered structure to a disordered structure with large distances between the particles. Which change of state is described? A boiling B evaporation C melting D sublimation
- Question 2
In the chromatography experiment shown, which label represents the solvent front? …
- Question 3
X is a mixture of colourless compounds. The diagram shows a chromatogram of X and of three pure compounds, P, Q and …
- Question 4
Which statements about isotopes of the same element are correct? 1 They are atoms which have the same chemical properties because they have the same number of electrons in their outer shell. 2 They are atoms which have the same …
- Question 5
The table shows the electronic structure of four atoms. atom electronic structure …
- Question 6
Which statement describes the attractive forces between molecules (intermolecular forces)? A They are strong covalent bonds which hold molecules together. B They are strong ionic bonds which hold molecules together. C They are weak forces formed between covalently-bonded molecules. D …
- Question 7
Metals consist of a lattice of positive ions in a ‘sea of electrons’. Why is aluminium malleable? A Its ions are attracted to the ‘sea of electrons’. B Its ions are tightly packed together. C Its ions repel each other. …
- Question 8
A sample of 16.0 g of a metal oxide, MO, is reduced to 12.8 g of the metal, M. What is the relative atomic mass, Ar, of …
- Question 9
The equation for the reaction between calcium carbonate and hydrochloric acid is shown. CaCO3(s) + 2HCl (aq) → CaCl 2(aq) …
- Question 10
The diagram shows the electrolysis of molten zinc chloride, ZnCl 2. electrode Y electrode X molten zinc chloride + – Which statement is correct? A Oxidation occurs at electrode X and the equation is: 2Cl – → Cl …
- Question 11
The diagram shows some properties that substances may have. To which labelled part of the diagram does 235U belong? compound used as an energy source radioactive …
- Question 12
The diagram shows a simple cell. dilute sulfuric acid metal Y metal X flow of electrons wire For which pair of metals would electrons flow from metal X to metal …
- Question 13
The energy level diagram for the combustion of methane is shown. CH4(g) + 2O2(g) CO2(g) + 2H2O(g) energy energy change Which row gives the equation and energy change for this reaction? equation energy change in kJ / mol A CH4(g) …
- Question 14
A liquid X reacts with solid Y to form a gas. Which two diagrams show suitable methods for investigating the rate (speed) of the reaction? …
- Question 15
Which row describes how the energy of collision between particles changes when concentration and temperature are increased? concentration temperature A increases increases B increases no change C no change increases D no change no change
- Question 16
Methanol is made by reacting carbon monoxide with hydrogen. The reaction is exothermic and is a chemical equilibrium. The equation for the reaction is shown. CO(g) + 2H2(g) CH3OH(g) Which changes in temperature and pressure increase the yield of methanol? …
- Question 17
Which equation represents a reduction reaction? A Fe2+ …
- Question 18
Which statements are properties of an acid? 1 reacts with ammonium sulfate to form ammonia 2 turns red litmus blue …
- Question 19
Which row describes whether an amphoteric oxide reacts with acids and bases? reacts with acids reacts with bases A no no B no yes C yes no D yes yes
- Question 20
Silver chloride is insoluble in water and is prepared by precipitation. Which two substances can be used to make silver chloride? A barium chloride and silver nitrate B hydrochloric acid and silver C hydrochloric acid and silver bromide D sodium …
- Question 21
Where in the Periodic Table is the metallic character of the elements greatest? left or right side of a period at the top or bottom of a group A left bottom B left top C right bottom D right top
- Question 22
Rubidium is a Group I metal. Which statement about rubidium is not correct? A It has a higher melting point than lithium. B It has one electron in its outer shell. C It reacts vigorously with water. D It reacts …
- Question 23
The table gives information about four elements, …
- Question 24
Part of the Periodic Table is shown. Which element is a gas that does not form a compound with potassium? …
- Question 25
Some magnesium compounds undergo thermal decomposition. What are the products of thermal decomposition of magnesium nitrate, Mg(NO3)2, and magnesium hydroxide, Mg(OH)2? Mg(NO3)2 Mg(OH)2 A MgO, NO2 and O2 MgO and H2O B MgO, NO2 and O2 MgO and H2 C …
- Question 26
Which property is not considered a typical metallic property? A good conductor of heat B low melting point C malleable (can be hammered into shape) D strong
- Question 27
Iron from a blast furnace is treated with oxygen and with calcium oxide to make steel. Which substances in the iron are removed? oxygen removes calcium oxide removes A carbon acidic oxides B carbon basic oxides C iron acidic oxides …
- Question 28
Why is cryolite used during the extraction of aluminium by electrolysis? A It is a catalyst for the reaction. B It lowers the melting point of the electrolyte. C It protects the anodes. D It separates the aluminium from the …
- Question 29
The diagram shows an experiment to investigate how paint affects the rusting of iron. air P Q water iron painted iron What happens to the water level in tubes P and Q? tube P tube Q A falls rises B …
- Question 30
A new planet has been discovered and its atmosphere has been analysed. atmosphere planet The table shows the composition of its atmosphere. gas percentage by volume carbon dioxide 4 nitrogen 72 oxygen 24 Which gases are present in the atmosphere …
- Question 31
The gases coming from a car’s engine contain oxides of nitrogen. How are these oxides formed? A Nitrogen reacts with carbon dioxide. B Nitrogen reacts with carbon monoxide. C Nitrogen reacts with oxygen. D Nitrogen reacts with petrol.
- Question 32
Ammonia is manufactured by a reversible reaction. …
- Question 33
The Contact process is used for the manufacture of sulfuric acid. Which statement about this process is not correct? A A catalyst of iron is used. B Oxygen from the air is used to react with sulfur dioxide. C Sulfur …
- Question 34
Lime (calcium oxide) is used to treat waste water from a factory. Which substance is removed by the lime? A ammonia B sodium chloride C sodium hydroxide D sulfuric acid
- Question 35
The diagram shows the separation of petroleum into fractions. gasoline …
- Question 36
Which compound is not an alkane, CnH2n+2? A CH3CH2CH2CH3 B (CH3)2CHCH3 C CH3CHCHCH3 D (CH3)3CH
- Question 37
An ester is formed when a carboxylic acid reacts with an alcohol. Which ester is formed when propanoic acid and ethanol react? A CH3CO2CH2CH3 B CH3CO2CH2CH2CH3 C CH3CH2CO2CH3 D CH3CH2CO2CH2CH3
- Question 38
What is an advantage of producing ethanol by fermentation of sugar compared to the catalytic addition of steam to ethene? A The alcohol produced is purer. B The process is faster. C The process uses high temperature. D The process …
- Question 39
In which row are the monomer and polymer chain correctly matched? monomer part of the polymer chain A CH3CH=CHCH3 –CH(CH3)–CH(CH3)–CH(CH3)–CH(CH3)– B CH2=CHCl –CHCl –CHCl –CHCl –CHCl – C CH3CH=CH2 –CH3–CH–CH2–CH3–CH–CH2– D CH2=CHCH2CH3 –CH2–CH2–CH2–CH(CH2CH3)–
- Question 40
Which two polymers have the same linkages bonding the monomers together? A nylon and complex carbohydrate B nylon and protein C Terylene and complex carbohydrate D Terylene and protein Group The Periodic Table of Elements 1 H hydrogen 1 2 …
Other Chemistry papers from May/June 2016
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- 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