Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/13 May/June 2018 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 3, 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_13 · 0620_s18_ms_13
Grade thresholds for 0620/13 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 0620/13 May/June 2018 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/13 May/June 2018
- Question 1
Mineral wool soaked in aqueous ammonia is placed in the apparatus shown. mineral wool soaked in aqueous ammonia damp red litmus paper After five minutes, the damp red litmus paper turned blue. Which process led to this change? A crystallisation …
- Question 2
Solid R reacted with dilute sulfuric acid. The initial temperature of the dilute sulfuric acid and the final temperature of the solution are shown. …
- Question 3
The melting points of four impure samples of lead(II) bromide were measured. The results are shown. Which sample is the most pure? temperature when the sample started to melt / °C temperature when the sample finished melting …
- Question 4
Symbols representing four particles are shown. …
- Question 5
Which name is given to a pure substance made from more than one type of atom? A alloy B compound C element D mixture
- Question 6
The diagram shows solid element Q reacting with an acid to produce gas R. solid element Q gas R acid Which row describes Q and …
- 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 produced at each electrode when molten rubidium chloride is electrolysed using platinum electrodes? positive electrode negative electrode A chlorine hydrogen B chlorine rubidium C hydrogen chlorine D rubidium chlorine
- Question 10
What is released when any fuel is burned? A carbon dioxide B heat energy C smoke D water
- Question 11
Group I metals react vigorously with water and release heat. Which statement about this reaction is correct? A The reaction is endothermic and the energy change is negative. B The reaction is endothermic and the energy change is positive. C …
- 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
In a chemical reaction, blue compound X changed into white compound …
- Question 14
Which equation shows an oxidation reaction? …
- Question 15
Pieces of damp red litmus paper and damp blue litmus paper are placed in three different gas jars. gas jar 1 red litmus paper blue litmus paper ammonia gas jar 2 chlorine gas jar 3 oxygen red litmus paper blue …
- 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
A white crystalline solid is dissolved in distilled water. A small amount of dilute nitric acid is added followed by aqueous silver nitrate. No visible change occurs. What can be deduced about the white crystalline solid? A It contains chloride …
- Question 19
Which element is classified as a non-metal in the Periodic Table? A calcium B chlorine C chromium D copper
- Question 20
Part of the Periodic Table is shown. Element Q has a low boiling point, low density and does not conduct electricity. Which element is …
- Question 21
Which row describes a typical transition element? density in g / cm3 melting point in °C boiling point in °C colour of oxide …
- Question 22
Helium is a noble gas. Which statement is correct? A A helium atom has eight electrons in its outer shell. B Helium exists as diatomic molecules. C Helium is used as an inert atmosphere in lamps. D There are no …
- Question 23
Which diagram represents a solid alloy? …
- Question 24
Some reactions of three metals and their oxides are shown. metal metal reacts with steam metal oxide reacts with carbon X no yes Y yes no Z yes yes What is the order of reactivity of the metals? most reactive …
- Question 25
Which statement about the extraction of metals is correct? A Aluminium is extracted from bauxite by electrolysis. B Aluminium is extracted from hematite by heating with carbon. C Iron is extracted from bauxite by heating with carbon. D Iron is …
- Question 26
Which statement explains why aluminium is used to manufacture aircraft? A It has a low density. B It is a good conductor of electricity. C It is a good conductor of heat. D It is ductile.
- 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
Fertilisers are often mixtures of solid compounds. Which compounds can be mixed to provide the three elements needed for healthy plant growth? A ammonium nitrate and calcium phosphate B ammonium nitrate and potassium chloride C ammonium phosphate and potassium chloride …
- Question 31
Carbon dioxide and methane are both greenhouse gases which contribute to climate change. Which statement explains how greenhouse gases contribute to climate change? A They absorb heat radiation from the Earth. B They absorb heat radiation from the Sun. C …
- Question 32
Element Z forms an oxide, ZO2. Three uses of ZO2 are listed. ● bleaching agent ● killing bacteria ● manufacturing an important acid What is Z? A carbon B lead C nitrogen D sulfur
- Question 33
Limestone is an important material with many uses. Limestone is heated to produce 1 and carbon dioxide. This reaction is called 2 . Which words correctly complete gaps 1 and …
- 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 structures of some organic compounds 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
Sugars and ethene can both be made into ethanol using different reactions. Which type of reaction is used in each case? sugars to ethanol ethene to ethanol A fermentation addition B fermentation cracking C incomplete combustion addition D incomplete combustion …
- Question 40
Which substances are natural polymers? ethanol protein starch vinegar …
Other Chemistry papers from May/June 2018
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/21 Multiple choice (Extended)
- 0620/22 Multiple choice (Extended)
- 0620/23 Multiple choice (Extended)
- 0620/31 Theory (Core)
- 0620/32 Theory (Core)
- 0620/33 Theory (Core)
- 0620/41 Theory (Extended)
- 0620/42 Theory (Extended)
- 0620/43 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical