Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/11 May/June 2014 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 1, May/June 2014: 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
- 32
File names: 0620_s14_qp_11 · 0620_s14_ms_11
Grade thresholds for 0620/11 May/June 2014
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 |
|---|---|---|---|---|
| 32 | 29 | 27 | 23 | 19 |
Topics in this paper
Which syllabus chapters 0620/11 May/June 2014 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/11 May/June 2014
- Question 1
The diagram shows the result of dropping a purple crystal into water. water purple crystal after five hours purple solution Which processes take place in this experiment? chemical reaction diffusing dissolving …
- Question 2
The four pieces of apparatus shown below are used in chemical experiments. burette measuring cylinder pipette thermometer Which statement about the apparatus is correct? A The burette measures the volume of liquid added in a titration. B The measuring cylinder …
- Question 3
Alcohol and water are completely miscible. This means when mixed together they form only one liquid layer. Which method is used to separate alcohol from water? A crystallisation B filtration C fractional distillation D precipitation
- Question 4
The diagram shows the structure of an atom of element …
- Question 5
The diagrams show four particles. 1 key = an electron = a neutron = a proton …
- Question 6
The ‘lead’ in a pencil is made of a mixture of graphite and clay. ‘lead’ When the percentage of graphite is increased, the pencil slides across the paper more easily. Which statement explains this observation? A Graphite has a high …
- Question 7
Element X is in Group I of the Periodic Table. X reacts with element Y to form an ionic compound. Which equation shows the process that takes place when X forms ions? …
- Question 8
Solid F is an element. Solid G is a compound. Neither solid conducts electricity but G conducts electricity when dissolved in water. These properties suggest that F is 1 and that G is 2 with 3 bonds. Which words correctly …
- Question 9
A compound contains one atom of calcium, two atoms of hydrogen and two atoms of oxygen. What is the correct chemical formula of the compound? A CaO2H2 B HOCaOH C H2CaO2 D Ca(OH)2
- Question 10
In athletics, banned drugs such as nandrolone have been taken illegally to improve performance. Nandrolone has the molecular formula C18H26O2. What is the relative molecular mass, Mr, of nandrolone? (Relative atomic mass: …
- Question 11
Which substance will not conduct electricity? A aluminium B copper C plastic D steel
- Question 12
Which products are formed at the anode and cathode when electricity is passed through molten lead(II) bromide? anode (+) cathode (–) A bromide ions lead ions B bromine molecules lead atoms C lead atoms bromine molecules D lead ions bromide …
- Question 13
Some reactions are endothermic. How does the temperature and energy change in an endothermic reaction? temperature change energy change A decreases energy taken in B decreases energy given out C increases energy taken in D increases energy given out
- Question 14
Two chemical processes are described below. ● In the combustion of methane, energy is …
- Question 15
Which equation shows an oxidation reaction? …
- Question 16
In separate experiments, a catalyst is added to a reaction mixture and the temperature of the mixture is decreased. What are the effects of these changes on the rate of the reaction? catalyst added temperature decreased A faster faster B …
- Question 17
An experiment is carried out to investigate the rate of reaction when calcium carbonate is reacted with hydrochloric acid. The volume of carbon dioxide gas given off is measured at different intervals of time. The diagram shows pieces of apparatus …
- Question 18
The equation shows a reaction that is reversed by changing the conditions. forward reaction CuSO4.5H2O CuSO4 + 5H2O How can the forward reaction be reversed? by adding water by heating …
- Question 19
Which statements about alkalis are correct? 1 When reacted with an acid, the pH of the alkali increases. 2 When tested with litmus, the litmus turns blue. 3 When warmed with an ammonium salt, ammonia gas is given off. …
- Question 20
Only two elements are liquid at 20 °C. One of these elements is shiny and conducts electricity. This suggests that this element is a 1 and therefore its oxide is 2 . Which words correctly complete gaps 1 and …
- Question 21
Which acid reacts with ammonia to produce the salt ammonium sulfate? A hydrochloric B nitric C phosphoric D sulfuric
- Question 22
Aqueous sodium hydroxide is added to solid X and the mixture is heated. A green precipitate is formed and an alkaline gas is given off. Which ions are present in X? A NH4 + and Fe2+ B NH4 + and …
- Question 23
Which statement about the Periodic Table is correct? A Elements in the same period have the same number of outer electrons. B The elements on the left are usually gases. C The most metallic elements are on the left. D …
- 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
An element melts at 1455 °C, has a density of …
- Question 26
The diagrams show two items that may be found in the home. Each item contains zinc. zinc plated bucket brass door-knocker In which is zinc used as an alloy? bucket door-knocker …
- Question 27
In an experiment, three test-tubes labelled X, Y and Z were half-filled with dilute hydrochloric acid. A different metal was added to each test-tube. After a few minutes the following observations were made. In tube X, bubbles slowly rose to …
- Question 28
The table shows properties of four metals. Which metal is the most suitable for aircraft construction? density strength resistance to corrosion A high high low B high low low C low high high D low low high
- Question 29
The diagram shows a blast furnace. In which part is iron ore changed to iron? …
- Question 30
The diagram shows some uses of water in the home. …
- Question 31
Four steel paper clips are treated as described before being placed in a beaker of water. Which paper clip rusts most quickly? A coated with grease B dipped in paint and allowed to dry C electroplated with zinc D washed …
- Question 32
Which compound contains two of the three essential elements needed for a complete fertiliser? A ammonium chloride B ammonium nitrate C ammonium phosphate D ammonium sulfate
- Question 33
When compound X is heated, it changes colour from green to black. Compound Y is formed and a gas is given off which turns limewater milky. What are X and …
- Question 34
Acid rain is formed when sulfur dioxide and oxides of nitrogen dissolve in rain water. Which problem is not caused by acid rain? A breathing difficulties B dying trees C erosion of statues D lowered pH of lakes
- Question 35
Which pollutant gas is produced by the decomposition of vegetation? A carbon monoxide B methane C nitrogen oxide D sulfur dioxide
- Question 36
Which type of compound is shown? …
- Question 37
The table shows the composition of four different types of petroleum (crude oil). fraction Arabian Heavy / % Arabian Light / % Iranian Heavy / % North Sea / % gasoline …
- Question 38
Alkenes are manufactured by cracking hydrocarbons obtained from petroleum. alkane X obtained from petroleum alkene Y cracking Which row describes the process of cracking? size of X molecules size of Y molecules catalyst required temperature required A large small no …
- Question 39
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 40
Which statements about ethanol are correct? 1 It can be made by fermentation. 2 It is an unsaturated compound. 3 It burns in air and can be used as a fuel. …
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