Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/11 May/June 2018 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 1, May/June 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
- 23
File names: 0620_s18_qp_11 · 0620_s18_ms_11
Grade thresholds for 0620/11 May/June 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 |
|---|---|---|---|---|
| 23 | 19 | 16 | 13 | 10 |
Topics in this paper
Which syllabus chapters 0620/11 May/June 2018 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/11 May/June 2018
- Question 1
The diagrams show particles in a container. …
- Question 2
Which piece of apparatus is used to measure exactly 26.3 cm3 of a liquid? …
- Question 3
The melting points and boiling points of pure substances W, X and Y are shown. …
- Question 4
In which atom is the number of protons equal to the number of neutrons? A 40Ar …
- Question 5
Which row identifies an alloy, a pure metal and a non-metal? alloy pure metal non-metal A brass carbon copper B brass copper carbon C copper brass carbon D copper carbon brass
- Question 6
A covalent molecule Q contains exactly six shared electrons. What is Q? A ammonia, NH3 B chlorine, Cl 2 C methane, CH4 D water, H2O
- Question 7
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 8
The equation for the reaction between magnesium and dilute sulfuric acid is shown. The Mr of MgSO4 is 120. Mg + H2SO4 → MgSO4 + H2 Which mass of magnesium sulfate is formed when 12 g of magnesium completely reacts …
- Question 9
What is observed at each electrode when molten lead(II) bromide is electrolysed using platinum electrodes? negative electrode positive electrode A bubbles of a colourless gas bubbles of a brown gas B bubbles of a colourless gas bubbles of a colourless …
- Question 10
Which gas is used as a fuel? A argon B hydrogen C nitrogen D oxygen
- Question 11
Burning fuels is an exothermic reaction. What is meant by the term exothermic? A A gas is produced. B Energy is released. C Heat is absorbed. D The mass of the fuel decreases.
- Question 12
The diagram shows a rate of reaction experiment. excess dilute hydrochloric acid at 25 °C hydrogen magnesium Increasing the concentration of the acid and increasing the temperature both affect the rate of reaction. Which row is correct? increase the concentration …
- Question 13
Water is added to anhydrous copper(II) sulfate. What happens during the reaction? A The copper(II) sulfate turns blue and the solution formed gets colder. B The copper(II) sulfate turns blue and the solution formed gets hotter. C The copper(II) sulfate …
- Question 14
Which equation shows an oxidation reaction? …
- Question 15
Dilute nitric acid is added to a solid, F. A gas, G, is produced which is denser than air and extinguishes a burning splint. What are F and G? solid F gas G A calcium hydrogen B calcium carbonate carbon …
- Question 16
Which statement about oxides is correct? A A solution of magnesium oxide has a pH less than pH …
- Question 17
Which methods are suitable for preparing both zinc sulfate and copper(II) sulfate? 1 reacting the metal oxide with warm dilute aqueous sulfuric acid 2 reacting the metal with dilute aqueous sulfuric acid 3 reacting the metal carbonate with dilute aqueous …
- Question 18
Two salt solutions, X and Y, are tested. The table shows the results. test …
- Question 19
Which element is in the same period of the Periodic Table as silicon? A germanium B scandium C sodium D strontium
- Question 20
Which statement about the halogens is correct? A A sample of bromine reacts with potassium chloride solution. B A sample of bromine reacts with potassium iodide solution. C A sample of chlorine has a higher density than a sample of …
- Question 21
Which row shows the catalytic activity of transition elements and their compounds? catalytic activity of transition elements catalytic activity of compounds of transition elements A good good B good poor C poor good D poor poor
- Question 22
Which statement about the noble gases is not correct? A Noble gases are diatomic molecules. B Noble gases are unreactive gases. C Noble gases have full outer electron shells. D The noble gas argon is used in lamps.
- Question 23
The following statements are made about the metals copper, iron, magnesium and zinc. 1 Their oxides are acidic. 2 They all conduct electricity in the solid state. 3 They all have high melting points. 4 They all react with dilute …
- Question 24
Three metals, X, Y and Z, were reacted with water. The oxides of the same three metals were also heated strongly with carbon. The results are shown. metal reaction of the metal with water reaction of the metal oxide with …
- Question 25
In a blast furnace, iron ore is mixed with coke and limestone, and heated in hot air. Compound R is formed. Compound R then reduces the iron ore to iron. Which equation shows the formation of compound …
- Question 26
Which statement explains why aluminium is used in the manufacture of aircraft? A It conducts heat well. B It has a low density. C It is a good conductor of electricity. D It is easy to recycle.
- Question 27
Dry air is passed over hot copper until all the oxygen has reacted. heat copper dry air The volume of gas at the end of the reaction is 120 cm3. What is the starting volume of dry air? A 132 …
- Question 28
A steel bicycle which had been left outdoors for several months was starting to rust. What would not reduce the rate of corrosion? A Remove the rust and paint the bicycle. B Remove the rust and store the bicycle in …
- Question 29
Which statements about water are correct? 1 Household water contains dissolved salts. 2 Water for household use is filtered to remove soluble impurities. 3 Water is treated with chlorine to kill bacteria. 4 Water is used in industry for cooling. …
- Question 30
Farmers use fertilisers to replace minerals in the soil that have been removed by the crops they grow. Which elements in the soil are replaced by adding fertilisers? A Ca, …
- Question 31
Which statement is correct? A Atmospheric carbon dioxide is not a cause of climate change. B Atmospheric methane is produced by respiration. C Burning natural gas decreases the level of carbon dioxide in the atmosphere. D Decomposition of vegetation causes …
- Question 32
Which statement about sulfur and its compounds is not correct? A Sulfur dioxide is used as a food preservative. B Sulfur dioxide turns acidified aqueous potassium manganate(VII) from purple to colourless. C Sulfur forms a basic oxide. D Sulfur is …
- Question 33
Which process is used to convert limestone (calcium carbonate) into lime? A electrolysis B fractional distillation C incomplete combustion D thermal decomposition
- Question 34
Lime is used to treat an industrial waste. lime untreated waste treated waste Which change occurs in the treatment? untreated waste treated waste A acidic → neutral B alkaline → acidic C alkaline → neutral D neutral → acidic
- Question 35
What is not the correct use of the fraction named? name of fraction use A fuel oil making waxes B gas oil fuel in diesel engines C kerosene jet fuel D naphtha making chemicals
- Question 36
Four organic compounds are listed. ethane ethanoic acid ethanol ethene Which bond do all four compounds contain? …
- Question 37
The first three members of a homologous series are shown. …
- Question 38
Which substances can be obtained by cracking hydrocarbons? A ethanol and ethene B ethanol and hydrogen C ethene and hydrogen D ethene and poly(ethene)
- Question 39
Which reaction is used to make ethanol? A adding steam to ethene B addition polymerisation C fractional distillation of petroleum D reacting ethene with aqueous bromine
- Question 40
Polymers are long-chain molecules made from small molecules linked together. Four polymers or types of polymer are listed. 1 carbohydrates 2 nylon 3 proteins 4 Terylene Which of these polymers or types of polymer are synthetic? A 1 and …
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