Cambridge IGCSE · 0620 · Paper 2 · Multiple choice (Extended)
Chemistry 0620/22 Oct/Nov 2017 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Multiple choice (Extended)), variant 2, Oct/Nov 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
- 31
File names: 0620_w17_qp_22 · 0620_w17_ms_22
Grade thresholds for 0620/22 Oct/Nov 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 |
|---|---|---|---|---|---|---|
| 31 | 27 | 24 | 21 | 18 | 14 | 10 |
Topics in this paper
Which syllabus chapters 0620/22 Oct/Nov 2017 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/22 Oct/Nov 2017
- Question 1
The diagram shows the arrangement of particles in the three states of matter. …
- Question 2
During an experiment a measurement is recorded in cm3. Which apparatus is used? A balance B measuring cylinder C stopclock D thermometer
- Question 3
A student carried out paper chromatography on a mixture of amino acids. The student sprayed the dried chromatogram with a locating agent. What is the function of the locating agent? A to dissolve the amino acids B to form coloured …
- Question 4
Which row describes silicon(IV) oxide? has a giant structure is an acidic oxide conducts electricity …
- Question 5
Why do isotopes of the same element have the same chemical properties? A They have the same nucleon number. B They have the same number of electrons in the outer shell. C They have the same number of neutrons in …
- Question 6
Which dot-and-cross diagram shows the outer shell electron arrangement in a molecule of carbon dioxide? …
- Question 7
The equation for the reaction between phosphorus and oxygen is shown. xP4 + yO2 → zP2O5 Which values of x, y and z balance the equation? …
- Question 8
The relative molecular mass of an alcohol is 88. Its percentage composition by mass is: …
- Question 9
Which statements about the electrolysis of concentrated copper(II) chloride are correct? 1 Electrons are transferred from the cathode to the copper(II) ions. 2 Electrons move round the external circuit from the cathode to the anode. 3 Chloride ions are attracted …
- Question 10
Which metal combination produces the highest voltage reading in the cells shown? V A Fe Cu V B Zn Cu V C Cu Cu V D Mg Cu
- Question 11
The equation for the combustion of methane is shown. CH4 …
- Question 12
Which statement describes an exothermic reaction? A The energy absorbed for bond breaking is greater than the energy released by bond formation. B The energy absorbed for bond breaking is less than the energy released by bond formation. C The …
- Question 13
The mass of a beaker and its contents is plotted against time. Which graph represents what happens when sodium carbonate reacts with an excess of dilute hydrochloric acid in an open beaker? mass time A mass time B mass time …
- Question 14
Copper metal donates electrons to silver ions. Zinc metal donates electrons to copper ions. What is the strongest reducing agent? A copper ions B copper metal C silver ions D zinc metal
- Question 15
Four statements about the effect of increasing temperature on a reaction are shown. 1 The activation energy becomes lower. 2 The particles move faster. 3 There are more collisions between reacting particles. 4 There are more collisions which have energy …
- Question 16
The formation of sulfur trioxide from sulfur dioxide is a reversible reaction. 2SO2(g) + O2(g) 2SO3(g) The forward reaction is exothermic. Which changes would increase the equilibrium yield of SO3? 1 increasing the pressure 2 lowering the temperature 3 decreasing …
- Question 17
Some properties of four oxides are listed. Oxide 1 reacts with both acids and alkalis to form salts. Oxide 2 reacts with acids to form salts but does not react with alkalis. Oxide 3 reacts with alkalis to form salts …
- Question 18
What is not a typical characteristic of acids? A They react with alkalis producing water. B They react with all metals producing hydrogen. C They react with carbonates producing carbon dioxide. D They turn blue litmus paper red.
- Question 19
Copper(II) sulfate can be prepared by adding excess copper(II) carbonate to sulfuric acid. Why is an excess of copper(II) carbonate added? A to ensure all the copper(II) carbonate has reacted B to ensure all the sulfuric acid has reacted C …
- Question 20
Compound P reacts with hydrochloric acid to produce a gas that turns limewater milky. What is P? A sodium carbonate B sodium chloride C sodium hydroxide D sodium sulfate
- Question 21
Which statement about nitrogen and phosphorus is not correct? A Both are in the same group of the Periodic Table. B Both are in the same period of the Periodic Table. C Both are non-metals. D Both have the same …
- Question 22
Sodium and rubidium are elements in Group I of the Periodic Table. Which statement is correct? A Sodium atoms have more electrons than rubidium atoms. B Sodium has a lower density than rubidium. C Sodium has a lower melting point …
- Question 23
Which properties do the elements chromium, iron and vanadium have in common? 1 They all conduct electricity. 2 They, or their compounds, can act as catalysts. 3 They all form coloured compounds. …
- Question 24
Why is argon gas used to fill electric lamps? A It conducts electricity. B It glows when heated. C It is less dense than air. D It is not reactive.
- Question 25
What is a property of all metals? A conduct electricity B hard C low melting points D react with water
- Question 26
Aluminium is extracted from bauxite by electrolysis. Which row shows the anode material and the anode reaction? anode material anode reaction A carbon Al …
- Question 27
Which statement about the metal zinc is not correct? A It forms an oxide more readily than iron. B It is manufactured by the electrolysis of zinc blende. C It is used to make brass. D It is used to …
- Question 28
Calcium nitrate decomposes when it is heated. What is the equation for the thermal decomposition of calcium nitrate? A 2Ca(NO3)2 → 2CaO …
- Question 29
The flow chart shows stages in the treatment of river water to produce drinking water. drinking water stage Y stage X settling tank river water What occurs at stages X and …
- Question 30
An experiment to investigate the effect of galvanising iron is shown. air pure iron galvanised iron water X Y The experiment is left for seven days. What happens to the water level in tubes X and Y? tube X tube …
- Question 31
Which metal is used as a catalyst in the Haber process for the manufacture of ammonia? A iron B nickel C platinum D vanadium
- Question 32
Which process removes carbon dioxide from the atmosphere? A combustion of fossil fuels B decomposition of carbonates C photosynthesis D respiration
- Question 33
Which row shows the conditions used in the manufacture of sulfuric acid by the Contact process? temperature / °C pressure / atm catalyst …
- Question 34
Some marble chips (calcium carbonate) are heated strongly and substances X and Y are formed. Substance X is a white solid that reacts with water, giving out heat. Substance Y is a colourless gas. What are substances X and …
- Question 35
The structures of four organic compounds are shown. …
- Question 36
Which statement is not correct? A Petroleum is a mixture of hydrocarbons. B The main constituent of natural gas is ethane. C The naphtha fraction of petroleum is used for making chemicals. D When natural gas burns in air, carbon …
- Question 37
X, Y and Z are three hydrocarbons. X CH2=CH2 Y CH3–CH=CH2 Z CH3–CH2–CH=CH2 What do compounds X, Y and Z have in common? 1 They are all alkenes. 2 They are all part of the same homologous series. 3 They …
- Question 38
The diagram shows a reaction sequence. butane ethene ethanol carbon dioxide and water …
- Question 39
The structure of an ester is shown. …
- Question 40
A polymer can be made from methyl propene. …
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