Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 Oct/Nov 2013 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 2, 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
- 31
File names: 0620_w13_qp_12 · 0620_w13_ms_12
Grade thresholds for 0620/12 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 |
|---|---|---|---|---|
| 31 | 0 | 23 | 0 | 18 |
Topics in this paper
Which syllabus chapters 0620/12 Oct/Nov 2013 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 Oct/Nov 2013
- Question 1
An attempt was made to compress a gas and a solid using the apparatus shown. piston gas solid Which substance would be compressed and what is the reason for this? substance reason A gas the gas particles are close together …
- Question 2
A student measures the rate of two reactions. In one reaction, there is a change in mass of the reactants during the reaction. In the second reaction, there is a change in temperature during the reaction. Which piece of apparatus …
- Question 3
Diagram 1 shows the paper chromatogram of substance …
- Question 4
Which statements about a sodium atom, Na, 23 11 are correct? 1 The number of protons and neutrons is the same. 2 The number of protons and electrons is the same. 3 The number of outer electrons is one. …
- Question 5
The diagrams show the electron arrangements in the atoms of four elements. Which element does not form a covalent bond? …
- Question 6
Rubidium is in Group I of the Periodic Table and bromine is in Group VII. Rubidium reacts with bromine to form an ionic compound. Which row shows the electron change taking place for rubidium and the correct formula of the …
- Question 7
Element X has 7 protons. Element Y has 8 more protons than X. Which statement about element Y is correct? A Y has more electron shells than …
- Question 8
The formulae of compounds W, X and Y are shown. W CuSO4.5H2O X MgSO4.7H2O Y Cu(NO3)2.6H2O Which statement is correct? A W contains twice as many hydrogen atoms as oxygen atoms. B X contains the most oxygen atoms. C Y …
- Question 9
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 10
The diagram shows the circuit for electrolysing lead(II) bromide and sodium chloride to liberate the metal. A container for lead(II) bromide container for sodium chloride In what form are these salts electrolysed for liberating the metal? lead(II) bromide sodium chloride …
- Question 11
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 12
When anhydrous copper(II) sulfate is added to water a solution is formed and heat is given out. water anhydrous copper(II) sulfate thermometer Which row correctly shows the temperature change and the type of reaction taking place? temperature change type of …
- Question 13
The diagram shows the electrolysis of concentrated aqueous sodium chloride. + – anode cathode concentrated aqueous sodium chloride and litmus carbon rods What is the colour of the litmus at each electrode after five minutes? colour at anode colour at …
- Question 14
Anhydrous copper(II) sulfate can be made by heating hydrated copper(II) sulfate. CuSO4.5H2O → CuSO4 + 5H2O What can be added to anhydrous copper(II) sulfate to turn it into hydrated copper(II) sulfate? A concentrated sulfuric acid B sodium hydroxide powder C …
- Question 15
Which fuel does not produce carbon dioxide when it burns? A coal B hydrogen C methane D petrol
- Question 16
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 17
Which are properties of an acid? 1 reacts with ammonium sulfate to form ammonia 2 turns red litmus blue …
- Question 18
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 19
The reactions shown may occur in the air during a thunder storm. …
- Question 20
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 21
Compound X is tested and the results are shown in the table. test result aqueous sodium hydroxide is added, then heated gently gas given off which turns damp red litmus paper blue dilute hydrochloric acid is added effervescence, gas given …
- Question 22
Some properties of four elements …
- Question 23
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 24
An element has a melting point of 1084 °C and a density of …
- Question 25
The diagrams show the labels of four bottles. Which label is not correct? …
- Question 26
Equations P and Q represent two reactions which occur inside a blast furnace. P Fe2O3 + 3CO → 2Fe + 3CO2 Q CaCO3 → CaO + CO2 Which type of reactions are P and …
- Question 27
Farmers add calcium oxide (lime) and ammonium salts to their fields. The compounds are not added at the same time because they react with each other. Which gas is produced in this reaction? A ammonia B carbon dioxide C hydrogen …
- Question 28
Which row describes the uses of mild steel and stainless steel? mild steel stainless steel A car bodies, cutlery chemical plant, machinery B car bodies, machinery chemical plant, cutlery C chemical plant, cutlery car bodies, machinery D chemical plant, machinery …
- Question 29
Reactions of three metals and their oxides are listed in the table. metal reacts with cold water metal oxide reacts with carbon W no no X no yes Y yes no What is the order of reactivity of the metals? …
- Question 30
The diagrams show four uses of iron. In which of these uses is the iron most likely to rust? iron bucket electroplated with zinc A iron cored aluminium electricity cables B iron hinges on a gate C painted iron fence …
- Question 31
In which process is carbon dioxide not formed? A burning of natural gas B fermentation C heating lime D respiration
- Question 32
M is a shiny silver metal. It has a melting point of 1455 °C. Many of its compounds are green. What is metal M? A aluminium B copper C mercury D nickel
- Question 33
In many countries river water is used for the washing of clothes. The same water is not considered to be safe for drinking. Why is it not safe for drinking? A because river water contains dissolved salts B because river …
- Question 34
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 35
Which air pollutant is not made when coal burns in a power station? A carbon monoxide B lead compounds C nitrogen oxides D sulfur dioxide
- Question 36
The diagram shows some properties of two organic compounds X and Y. reacts with bromine polymerises X used as a fuel used as a solvent Y steam and a catalyst What are X and …
- Question 37
Three types of organic compound are alkanes, alkenes and alcohols. Which structure does not belong to any of these three types of compound? …
- Question 38
The diagram represents ethene. …
- Question 39
Petroleum is a mixture of hydrocarbons which can be separated into fractions using fractional distillation. Which fraction is used as fuel in jet engines? A bitumen B gasoline C kerosene D naphtha
- Question 40
A chemist carried out a cracking reaction on a hydrocarbon, X, and obtained two products, Y and …
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