Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 Oct/Nov 2017 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), 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
- 24
File names: 0620_w17_qp_12 · 0620_w17_ms_12
Grade thresholds for 0620/12 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 |
|---|---|---|---|---|
| 24 | 21 | 19 | 15 | 11 |
Topics in this paper
Which syllabus chapters 0620/12 Oct/Nov 2017 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 Oct/Nov 2017
- Question 1
The melting points and boiling points of four elements are shown. element melting point / °C boiling point …
- Question 2
The apparatus used to separate a mixture is shown. mixture funnel filter paper What is the mixture? A aqueous calcium chloride and aqueous calcium nitrate B calcium carbonate and aqueous calcium chloride C ethanol and water D sand and calcium …
- Question 3
During an experiment a measurement is recorded in cm3. Which apparatus is used? A balance B measuring cylinder C stopclock D thermometer
- Question 4
Substance Q boils at 445 °C and is a yellow solid at room temperature. Which temperature could be the melting point of pure …
- Question 5
Which diagram shows a mixture of an element and a compound? …
- Question 6
Which pair of atoms contains the same number of neutrons? A Co 59 27 and Ni …
- Question 7
In which row do the properties described match the type of bonding? melting point electrical conductivity when liquid type of bonding A high does not conduct ionic B low conducts covalent C low conducts ionic D low does not conduct …
- Question 8
Which statement explains why graphite is used a lubricant? A All bonds between the atoms are weak. B It conducts electricity. C It has a low melting point. D Layers in the structure can slide over each other.
- Question 9
What is the relative formula mass of magnesium nitrate, Mg(NO3)2? …
- Question 10
The diagram shows the electrolysis of two solutions using inert electrodes. dilute sulfuric acid concentrated aqueous sodium chloride …
- Question 11
Two chemical processes are described. ● During the combustion of ethanol, energy is …
- Question 12
Water is added to anhydrous copper(II) sulfate in a test-tube. The mixture becomes hot. Which type of reaction and energy level diagram apply to this reaction? type of reaction energy level diagram A endothermic energy reactants products B endothermic energy …
- 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
When blue copper(II) sulfate is heated, a white solid and water are formed. The white solid turns blue and gives out heat when water is added to it. Which terms describe the blue copper(II) sulfate and the reactions? the blue …
- Question 15
An experiment was carried out to find the rate of reaction when 1 g of solid X reacts with 100 cm3 of solution Y. solution Y solid X gas syringe The experiment took place too quickly for measurements to be …
- Question 16
The equations for two reactions P and Q are given. P 2NaNO2 …
- Question 17
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 18
Elements Q and R both burn in air. The oxides formed both dissolve in water. The solution of the oxide formed from element Q turns Universal Indicator red. The solution of the oxide formed from element R turns Universal Indicator …
- 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
Which process is used to extract iron from hematite in the blast furnace? A electrolysis B reduction with carbon monoxide C reduction with lime D thermal decomposition
- Question 27
Some reactions of three metals are listed in the table. metal metal reacts with dilute hydrochloric acid metal oxide is reduced by carbon P yes yes Q yes no R no yes What is the order of reactivity of the …
- Question 28
Which uses of the metals shown are both correct? aluminium copper A aircraft bodies electrical wiring B car bodies aircraft bodies C chemical plant cooking utensils D food containers chemical plant
- 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
Which element in Group VI is a component of air? A argon B nitrogen C oxygen D sulfur
- Question 31
Iron is a metal that rusts in the presence of oxygen and water. Mild steel is used for 1 and is prevented from rusting by 2 . Stainless steel does not rust. It is produced by 3 iron with another …
- Question 32
A chemical reaction is carried out on substance X. A gas is produced that turns red litmus paper blue. What is this reaction? A the reaction of an acid with a metal carbonate B the reaction of an acid with …
- Question 33
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 34
The structures of four organic compounds are shown. …
- Question 35
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 36
Which equation represents the complete combustion of butane, …
- 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 table shows bonds that are present and bonds that are not present in compound X. bond …
- Question 39
The diagram shows a reaction sequence. butane ethene ethanol carbon dioxide and water …
- Question 40
Molecules of a substance react together as shown. …
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