Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/13 Oct/Nov 2013 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 3, Oct/Nov 2013: 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
- 30
File names: 0620_w13_qp_13 · 0620_w13_ms_13
Grade thresholds for 0620/13 Oct/Nov 2013
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 |
|---|---|---|---|---|
| 30 | 0 | 23 | 0 | 17 |
Topics in this paper
Which syllabus chapters 0620/13 Oct/Nov 2013 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/13 Oct/Nov 2013
- Question 1
A gas jar of bromine vapour and a gas jar of air are set up as shown in diagram 1. The glass slide is removed. Diagram 2 shows the appearance of the gas jars after one hour. diagram 1 diagram …
- Question 2
The diagram shows a method for separating a substance that contains X and Y. filter paper X Y Which types of substance can be separated as shown? A compounds B elements C mixtures D molecules
- Question 3
Diagram 1 shows the paper chromatogram of substance …
- Question 4
The atomic structures of four atoms are shown. atom number of neutrons number of protons number of electrons …
- Question 5
The diagram shows the structure of three particles, R, S and …
- Question 6
Which statement about the bonding in a molecule of water is not correct? A Both hydrogen and oxygen have a noble gas configuration of electrons. B Each hydrogen shares its one electron with oxygen. C Oxygen shares one of its …
- Question 7
The electronic structures of atoms P and Q are shown. …
- Question 8
A solid mixture contains an ionic salt, X, and a covalent organic compound, Y. Two students suggest methods of separating the mixture as shown. method 1 method 2 shake with water …
- Question 9
Which relative molecular mass, Mr, is not correct for the molecule given? molecule Mr A ammonia, NH3 17 B carbon dioxide, CO2 44 C methane, CH4 16 D oxygen, O2 16
- Question 10
Two electrolysis experiments were carried out as shown in the diagram below. The graphite electrodes are labelled 1-4. molten sodium chloride …
- Question 11
One molten compound and two aqueous solutions were electrolysed. The table gives the compounds electrolysed and the electrodes used. substance electrolysed electrodes 1 concentrated hydrochloric acid carbon 2 concentrated sodium chloride platinum 3 molten lead bromide platinum In which experiments …
- Question 12
When ammonium nitrate is added to water the temperature of the water decreases. The ammonium nitrate can be recovered by evaporating the water added. Which explains these observations? A The ammonium nitrate dissolves in the water and the process is …
- Question 13
Which substance could not be used as a fuel to heat water in a boiler? A ethanol B hydrogen C methane D oxygen
- Question 14
Which substance is not a fossil fuel? A coal B kerosene C gasoline D wood
- Question 15
A student investigates the rate of reaction between zinc and an excess of sulfuric acid. The graph shows the results of two experiments, X and …
- Question 16
When green iron(II) sulfate is heated, it turns white and a colourless liquid is produced. When the liquid is put back into the white solid it changes back to green. What type of reaction takes place and what is the …
- Question 17
The reactions shown may occur in the air during a thunder storm. …
- Question 18
Which are properties of an acid? 1 reacts with ammonium sulfate to form ammonia 2 turns red litmus blue …
- Question 19
Which of the following are properties of the oxides of non-metals? property 1 property 2 A acidic covalent B acidic ionic C basic covalent D basic ionic
- Question 20
The cations shown are identified by the colour of the precipitates formed when an excess of an aqueous solution of X is added. cations present effect of adding an excess of aqueous X iron(II) (Fe2+) green precipitate copper(II) (Cu2+) light …
- Question 21
Calcium, on the left of Period 4 of the Periodic Table, is more metallic than bromine on the right of this period. Why is this? Calcium has A fewer electrons. B fewer protons. C fewer full shells of electrons. D …
- Question 22
The diagrams show the labels of four bottles. Which label is not correct? …
- Question 23
An element has a melting point of 1084 °C and a density of …
- Question 24
The diagram shows a light bulb. filament argon Why is argon used instead of air in the light bulb? A Argon is a good conductor of electricity. B Argon is more reactive than air. C The filament glows more brightly. …
- Question 25
Duralumin is an alloy. It contains aluminium, copper and magnesium. It has many uses including the manufacture of cooking utensils and ships. Which statement about duralumin and its properties is correct? A It is a good conductor of electricity. B …
- Question 26
The list gives the order of some metals (and hydrogen) in the reactivity series. Metal X is also included: Most reactive K Mg Zn (H) X Least reactive Cu Which row correctly shows the properties of metal X? reacts with …
- Question 27
A new bicycle is being developed. Two different materials are used in its construction, both of which must be corrosion resistant. Which two metals could be used? A aluminium and mild steel B aluminium and stainless steel C mild steel …
- Question 28
Iron is extracted from hematite in the Blast Furnace. waste gases raw materials firebrick lining air slag molten iron The hematite contains silica as an impurity. What reacts with this impurity to remove it? A calcium oxide B carbon C …
- Question 29
In which process is carbon dioxide not formed? A burning of natural gas B fermentation C heating lime D respiration
- Question 30
Carbon dioxide is produced when X reacts with ethanol. Y reacts with sodium carbonate. What are X and …
- Question 31
A sample of fertiliser is tested by warming it with aqueous sodium hydroxide. A colourless gas is produced which turns red litmus paper blue. Which element, essential for plant growth, must be present? A nitrogen B phosphorus C potassium D …
- Question 32
Iron rusts. This process involves the 1 of iron. Rusting can be prevented by covering the iron with grease or paint which stops 2 from reaching the surface of the iron. Which words correctly complete gaps 1 and …
- Question 33
Oxides of nitrogen are given out from car exhausts. Which row best shows why oxides of nitrogen are unwanted? acidic toxic A no no B no yes C yes no D yes yes
- Question 34
Water is treated at a water works to make it fit to drink. What is present in the water when it leaves the waterworks? A bacteria only B bacteria and insoluble substances C chlorine only D chlorine and soluble substances
- Question 35
The diagram shows a kiln used to heat limestone. gas burners product air waste gases limestone What is the product and what waste gas is formed? product waste gas A lime, CaO carbon monoxide B lime, CaO carbon dioxide C …
- Question 36
Molecule X is both an alkene and a carboxylic acid. Which row describes X? saturated –COOH present A no no B no yes C yes no D yes yes
- Question 37
Which hydrocarbon reacts with steam to produce ethanol? …
- Question 38
Petroleum is a mixture of different hydrocarbons. Which process is used to separate the petroleum into groups of similar hydrocarbons? A combustion B cracking C fractional distillation D reduction
- Question 39
Which row represents compounds in the same homologous series? …
- Question 40
The diagram shows a flow diagram. petroleum substance X ● burns with a yellow flame ● does not decolourise bromine water substance Y ● decolourises bromine water ● undergoes addition polymerisation Which type of organic compounds are X and Y? …
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