Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/13 Oct/Nov 2019 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 3, Oct/Nov 2019: 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
- 25
File names: 0620_w19_qp_13 · 0620_w19_ms_13
Grade thresholds for 0620/13 Oct/Nov 2019
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 |
|---|---|---|---|---|
| 25 | 22 | 19 | 16 | 14 |
Topics in this paper
Which syllabus chapters 0620/13 Oct/Nov 2019 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/13 Oct/Nov 2019
- Question 1
The diagram shows a cup of hot tea. Which row describes the water particles in the air above the cup compared with the water particles in the cup? moving faster closer together …
- Question 2
A student is asked to measure the time taken for 0.4 g of magnesium carbonate to react completely with 25.0 cm3 of dilute hydrochloric acid. Which pieces of apparatus does the student need? A balance, stop-clock, pipette B balance, stop-clock, …
- Question 3
Which method is used to separate a mixture of the following liquids? liquid boiling point / °C methanol 64.5 ethanol 78.5 propan-1-ol 97.2 butan-1-ol 117.0 A crystallisation B evaporation C filtration D fractional distillation
- Question 4
A sample of wax is heated. It begins to melt at 45 °C and finishes melting at …
- Question 5
In which molecule are all the outer shell electrons involved in covalent bonding? A Cl 2 B CH4 C HCl D NH3
- Question 6
The numbers of protons, neutrons and electrons present in the atoms …
- Question 7
What is an alloy? A a compound of two metallic elements B a compound of metallic and non-metallic elements C a mixture of a metal and at least one other element D a pure metal element
- Question 8
Graphite is a form of carbon. Why can graphite be used as a lubricant? A Graphite contains unbonded electrons which move through the structure. B Graphite contains weak covalent bonds so the atoms move easily. C Graphite has a low …
- Question 9
The thermal decomposition of 12.5 g of limestone (impure calcium carbonate) produces 5 g of calcium oxide. Which mass of calcium oxide is produced by the thermal decomposition of 30 g of limestone? …
- Question 10
Dilute sulfuric acid and lead(II) bromide are separately electrolysed. Which statements are correct? 1 Colourless gases are evolved when dilute sulfuric acid is electrolysed. 2 Lead(II) bromide can be electrolysed when molten. 3 Lead is formed at the positive electrode …
- Question 11
An energy level diagram for a reaction is shown. energy progress of reaction Which statement and explanation about this reaction are correct? statement explanation A the reaction is endothermic the products have more energy than the reactants B the reaction …
- Question 12
Hydrated cobalt(II) chloride decomposes when heated. CoCl 2•6H2O CoCl …
- Question 13
In experiment 1, small lumps of limestone are added to dilute hydrochloric acid at 40 °C. The volume of carbon dioxide released is measured at regular time intervals. The results are shown. volume of carbon dioxide released time experiment 1 …
- Question 14
A sequence of changes involving sulfur is shown. S(s) change 1 S(l) SO2(g) change 2 Which row describes the changes? change 1 change 2 A chemical chemical B chemical physical C physical chemical D physical physical
- Question 15
In which equation is the iron oxidised? …
- Question 16
Which statements about dilute sulfuric acid are correct? 1 It turns red litmus paper blue. 2 It reacts with magnesium(II) oxide to form magnesium(II) sulfate and water. 3 It reacts with magnesium to form magnesium(II) sulfate and carbon dioxide. 4 …
- Question 17
X is a white powder. The following tests are done on X. ● No precipitate is seen when a few drops of aqueous sodium hydroxide are added to a solution of X. ● No gas is formed when X is …
- Question 18
Which three oxides are all acidic? A CaO, NO2, SO2 B CaO, CO2, Na2O C CO2, NO2, SO2 D CO2, Na2O, SO2
- Question 19
A method used to make copper(II) sulfate crystals is shown. 1 Place dilute sulfuric acid in a beaker. 2 Warm the acid. 3 Add copper(II) oxide until it is in excess. 4 Filter the mixture. 5 Evaporate the filtrate until …
- Question 20
Which element from Period 3 of the Periodic Table has the most metallic character? A aluminium B magnesium C silicon D sodium
- Question 21
Which pair of elements reacts together most violently? A chlorine and lithium B chlorine and potassium C iodine and lithium D iodine and potassium
- Question 22
Which statement does not describe a transition element? A It is used as a catalyst in industrial reactions. B It has white compounds and gives a yellow flame test. C It produces a black oxide and a blue sulfate. D …
- Question 23
Which statement describes a gas which is in Group VIII of the Periodic Table? A A colourless gas that helps substances burn. B A pollutant gas present in car exhausts. C A gas that is less dense than air and …
- Question 24
Some properties of substance X are listed. ● It conducts electricity when molten. ● It has a high melting point. ● It burns in oxygen and the oxide dissolves in water to give a solution with pH 11. What is …
- Question 25
A metal reacts vigorously with water. Which statement about the metal is correct? A It is above hydrogen in the reactivity series. B It is below magnesium in the reactivity series. C Its oxide can be reduced with carbon. D …
- Question 26
Iron is extracted from its ore in the blast furnace. Which raw material is not used in this process? A bauxite B coke C hematite D limestone
- Question 27
Which statement about metals and their uses is correct? A Aluminium is used in the manufacture of aircraft because it has a high density. B Copper is used to make cooking utensils because it is a poor conductor of heat. …
- Question 28
River water contains soluble impurities, insoluble impurities and bacteria. River water is made safe to drink by filtration and chlorination. Which statement is correct? A Filtration removes bacteria and insoluble impurities, and chlorination removes soluble impurities. B Filtration removes insoluble …
- Question 29
Clean, dry air contains nitrogen, oxygen and small amounts of other gases. The noble gases have been left out of the table. Which row shows the composition of clean, dry air? nitrogen / % oxygen / % other gases …
- Question 30
The apparatus shown is set up and left for a week. damp iron wool air water Which diagram shows the level of the water at the end of the week? …
- Question 31
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 32
Which information about carbon dioxide and methane is correct? carbon dioxide methane A formed when vegetation decomposes key B greenhouse gas …
- Question 33
What are uses of sulfur dioxide? 1 as a bleach in the manufacture of wood pulp 2 as a food preservative 3 in the conversion of iron to steel 4 in water treatment A 1 and 2 only B 1 …
- Question 34
Which type of reaction occurs when lime is manufactured from limestone? A combustion B neutralisation C redox D thermal decomposition
- Question 35
Which statement is correct? A Bitumen is used as a fuel for ships. B Coal, natural gas and oxygen are all fuels. C Hydrogen is the main constituent of natural gas. D Petroleum is separated into useful substances by fractional …
- Question 36
The structures of four organic compounds, …
- Question 37
How many different types of bonds are present in ethanoic acid, CH3COOH? type of bond …
- Question 38
Which products are obtained by the cracking of an alkane? alkene hydrogen water …
- Question 39
Which statement about aqueous ethanoic acid is correct? A It reacts with magnesium to form oxygen gas. B It reacts with sodium carbonate to form carbon dioxide gas. C It turns red litmus paper blue. D It turns methyl orange …
- Question 40
The diagram shows the structure of a monomer and of the polymer made from it. …
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