Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/11 Oct/Nov 2018 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 1, Oct/Nov 2018: 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
- 21
File names: 0620_w18_qp_11 · 0620_w18_ms_11
Grade thresholds for 0620/11 Oct/Nov 2018
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 |
|---|---|---|---|---|
| 21 | 18 | 16 | 13 | 10 |
Topics in this paper
Which syllabus chapters 0620/11 Oct/Nov 2018 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/11 Oct/Nov 2018
- Question 1
A beaker containing solid carbon dioxide is placed in a fume cupboard at room temperature. The carbon dioxide becomes gaseous. Which process describes this change of state? A boiling B condensation C evaporation D sublimation
- Question 2
The pressure of a sample of gas is decreased. The temperature is kept constant. Which row describes the effects on the particles? movement of particles collisions between particles A slower occur less often B slower occur with more force C …
- Question 3
Which statement about paper chromatography is correct? A A solvent is needed to dissolve the paper. B Paper chromatography separates mixtures of solvents. C The solvent should cover the baseline. D The baseline should be drawn in pencil.
- Question 4
The diagrams show four pieces of laboratory equipment. thermometer stop-clock pipette balance Which equipment is essential to find out if dissolving a salt in water is an exothermic process? balance pipette stop-clock thermometer …
- Question 5
Iodine, I, has a lower relative atomic mass than tellurium, Te, but is placed after it in the Periodic Table. Te I Which statement explains why iodine is placed after tellurium in the Periodic Table? A Iodine has fewer neutrons …
- Question 6
Substance Q has a high melting point and conducts electricity both when molten and when dissolved in water. What is Q? A calcium chloride B diamond C iron D silver chloride
- Question 7
Elements X and Y form an ionic compound, XY. In which group of the Periodic Table is X found and how is the bond between X and Y formed? group in which X is found how the bond between X …
- Question 8
The structure of glycine is shown. …
- Question 9
Calcium phosphate forms when calcium chloride and sodium phosphate solutions react together. x CaCl …
- Question 10
During the electrolysis of concentrated aqueous sodium chloride, chlorine gas is produced at the positive electrode. What happens at the negative electrode and to the solution? product at the negative electrode the solution becomes A hydrogen acidic B hydrogen alkaline …
- Question 11
The diagram shows an experiment to electroplate a nickel spoon with silver. electrolyte nickel spoon power supply Which row correctly describes the positive electrode, the negative electrode and the electrolyte? positive electrode negative electrode electrolyte A nickel spoon pure nickel …
- Question 12
Which substance does not use oxygen to produce heat energy? A coal B hydrogen C natural gas D uranium
- Question 13
An energy level diagram for a reaction is shown. energy progress of reaction reactants products Which statement about the reaction is correct? A Heat is released. B It is a combustion reaction. C It is an endothermic reaction. D The …
- Question 14
Two reactions are done. 1 Hydrated cobalt(II) chloride is heated. It changes colour. 2 Water is added to the product of reaction 1. It becomes hotter. The original colour is produced. Which types of reaction have occurred in reactions 1 …
- Question 15
Which equation shows reduction of an iron compound? A 4Fe …
- Question 16
Calcium carbonate reacts with dilute hydrochloric acid to make carbon dioxide gas. Graph X shows the results of this experiment. The particle size of the calcium carbonate is increased and the experiment is repeated. All other conditions are kept the …
- Question 17
Part of the Periodic Table is shown. Which element forms an oxide that reacts with dilute acid to form a salt and water? I II III IV V VI VII VIII …
- Question 18
An excess of substance Z is added to some spilt acid. The solution produced as a result is neutral. What is Z? A aqueous ammonia B aqueous sodium hydroxide C calcium carbonate D water
- Question 19
Aqueous sodium hydroxide is added to solid Q in a test-tube. A gas is produced which turns damp red litmus blue. What is Q? A aluminium B ammonia C ammonium chloride D sodium nitrate
- Question 20
Potassium hydroxide is a base. Which statement describes a reaction of potassium hydroxide? A Chlorine is formed when it is heated with ammonium chloride. B It turns Universal Indicator green. C It reacts with an acid to produce a salt …
- Question 21
Which statement about the Periodic Table is not correct? A It can be used to find the atomic number of an element. B It can be used to find the physical state of an element. C It can be used …
- Question 22
Elements in Group I of the Periodic Table react with water. Which row describes the products made in the reaction and the trend in reactivity of the elements? products trend in reactivity A metal hydroxide and hydrogen less reactive down …
- Question 23
The equation shows the reaction between a halogen and aqueous bromide ions. X2 + 2Br– …
- Question 24
An inert gas R is used to fill weather balloons. Which descriptions of R are correct? number of outer shell electrons in atoms of R structure of gas …
- Question 25
Metal X reacts with steam but not with cold water. What is X? A calcium B copper C sodium D zinc
- Question 26
Which process is used to extract aluminium from bauxite? A heating bauxite in air B heating bauxite with carbon C heating bauxite with hydrogen D passing electricity through purified bauxite
- Question 27
Which row shows uses of the metals listed? aluminium copper mild steel A aircraft manufacture food containers cutlery B cutlery electrical wiring chemical plant C electrical wiring aircraft manufacture cooking utensils D food containers cooking utensils car bodies
- Question 28
Argon is a noble gas used to fill light bulbs. What is the approximate percentage of argon in air? …
- Question 29
The diagrams show experiments involving the rusting of iron. water boiled to remove the air water anhydrous calcium chloride to dry the air oil iron nails tube Q tube R tube P A student predicted the following results. 1 In …
- Question 30
Which statement about air pollutants is not correct? A Carbon monoxide is formed from the complete combustion of petroleum. B Lead compounds are formed from some types of petrol. C Oxides of nitrogen are formed from the combustion reactions inside …
- Question 31
The table describes three types of water. water type source of water appearance before treatment treatment appearance after treatment P river muddy none muddy Q river muddy filtration and chlorination clear R well clear chlorination only clear Which statement is …
- Question 32
Which compound would not be used as an important part of a garden fertiliser? A Ca3(PO4)2 B KNO3 C Mg(OH)2 D (NH4)2SO4
- Question 33
Carbon dioxide and methane both contribute to climate change. Which process produces both gases? A complete combustion of natural gas B farming cattle C heating calcium carbonate D respiration
- Question 34
Which reaction is endothermic? A CaCO3 → CaO + CO2 B CaO + 2HCl → CaCl …
- Question 35
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 36
Which two compounds are molecules which both contain a double bond? A ethane and ethanoic acid B ethane and ethanol C ethene and ethanoic acid D ethene and ethanol
- Question 37
Which pair of diagrams shows compounds belonging to the same homologous series? …
- Question 38
Ethanol can be formed by: 1 fermentation 2 reaction between steam and ethene. Which of these processes use a catalyst? …
- Question 39
Which statement about ethanoic acid is correct? A It fizzes with magnesium ribbon. B It forms a salt with hydrochloric acid. C It is a hydrocarbon. D It forms a solution in water with a pH greater than pH 7.
- Question 40
Which statement about Terylene is correct? A It is a form of protein. B It is a natural polymer. C It is also called poly(ethene). D It is used to make clothes. Group The Periodic Table of Elements 1 H …
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