Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 May/June 2015 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 2, May/June 2015: 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_s15_qp_12 · 0620_s15_ms_12
Grade thresholds for 0620/12 May/June 2015
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 | F | G |
|---|---|---|---|---|---|---|
| 31 | 28 | 25 | 21 | 17 | 15 | 13 |
Topics in this paper
Which syllabus chapters 0620/12 May/June 2015 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 May/June 2015
- Question 1
The diagram shows a sugar lump in a cup of tea. Which two processes must happen to spread the sugar evenly in the tea? first process second process A diffusion dissolving B dissolving diffusion C dissolving melting D melting diffusion
- Question 2
The results of some tests on a colourless liquid X are shown. • Boiling point …
- Question 3
The atomic structures of four particles are shown. particle electrons neutrons protons …
- Question 4
Q+ is an ion of element Q. What has the highest value in the ion? A the nucleon number B the number of electrons C the number of neutrons D the proton number
- Question 5
Which statements comparing the properties of electrons, neutrons and protons are correct? neutrons and protons are both heavier than electrons only electrons and neutrons are charged …
- Question 6
Graphite is a form of carbon. Why can graphite be used as a lubricant? A Graphite contains delocalised electrons which move throughout the structure. B Graphite contains weak covalent bonds so the atoms move easily. C Graphite has a low …
- Question 7
In which compounds are pairs of electrons shared between atoms? 1 methane 2 lead bromide 3 sodium chloride A 1 only B 2 only C 1 and …
- Question 8
A molecule, Z, contains two atoms of oxygen, six atoms of hydrogen and three atoms of carbon. What is the formula of Z? A CH3CH2CHO B CH3COCH3 C C2H5CO2H D C3H6CO2H
- Question 9
Copper and hydrogen can each be formed by electrolysis. At which electrodes are these elements formed? copper hydrogen A anode anode B anode cathode C cathode anode D cathode cathode
- Question 10
The diagram shows the electroplating of a steel object. steel object copper copper(II) sulfate solution …
- Question 11
The elements hydrogen and uranium are used as fuels. The compound ethanol is also used as a fuel. Which fuels require oxygen in order to produce heat energy? hydrogen uranium ethanol …
- Question 12
In which equation does the oxidation of the underlined compound occur? A 2CuO …
- Question 13
When pink crystals of cobalt(II) chloride are heated, steam is given off and the colour of the solid changes to blue. CoCl 2.6H2O CoCl …
- Question 14
A simple way of making bread includes 1 Mixing flour with a small amount of yeast and some water to make a ‘dough’. 2 Leaving the dough in a warm place for the yeast to act on the dough to …
- Question 15
Which statement is not correct? A When a base reacts with an ammonium salt, ammonia is given off. B When an acid reacts with a base, neutralisation takes place. C When an acid reacts with a carbonate, carbon dioxide is …
- Question 16
Hydrochloric acid is used to clean metals. The acid reacts with the oxide layer on the surface of the metal, forming a salt and water. Which word describes the metal oxide? A alloy B base C element D indicator
- Question 17
Which method is used to make the salt copper sulfate? A dilute acid + alkali B dilute acid + carbonate C dilute acid + metal D dilute acid + non-metal oxide
- Question 18
Two tests are carried out to identify an aqueous solution of X. test 1 Aqueous sodium hydroxide is added and a blue precipitate is produced. test 2 Dilute nitric acid is added followed by aqueous silver nitrate and a white …
- Question 19
The positions of four elements in the Periodic Table are shown. Which element does not form a compound with chlorine? …
- Question 20
Which properties of the element titanium, Ti, can be predicted from its position in the Periodic Table? can be used as a catalyst conducts electricity when solid has low density forms coloured compounds …
- Question 21
The table shows some properties of the Group I metals. metal melting point / °C hardness reaction with water lithium 181 moderately soft steady effervescence sodium 98 soft vigorous effervescence potassium 63 very soft very vigorous effervescence rubidium …
- Question 22
In the outline of the Periodic Table below, some elements are shown as numbers. …
- Question 23
Which diagram represents an alloy? …
- Question 24
Which statement is not correct? A Aluminium is used in food containers because of its resistance to corrosion. B Aluminium is used in the manufacture of aircraft because of its strength and low density. C Mild steel is used in …
- Question 25
Which row describes the conditions used to make steel from the iron produced by a blast furnace? calcium oxide (lime) oxygen heat …
- Question 26
Samples of five different metals, …
- Question 27
The diagram shows stages in producing drinking water. In which tank is chlorine added to the water? reservoir sedimentation tank filtration tank mains supply storage tank anti-bacterial treatment tank …
- Question 28
Which gas is not present in a sample of clean air? A carbon dioxide B chlorine C oxygen D water vapour
- Question 29
Which combination of chemical compounds could be used to produce the fertiliser shown? SUPERGROW …
- Question 30
Carbon monoxide is given out from the exhaust of vehicles that burn fossil fuels. Which row shows why carbon monoxide is a pollutant? acidic toxic A no no B no yes C yes no D yes yes
- Question 31
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 32
Carbon dioxide and methane are ‘greenhouse gases’ which contribute to global warming. Which process does not increase global warming? A burning fossil fuels B decay of organic waste C farming cattle for beef D growing crops such as sugar cane
- Question 33
A zinc compound forms carbon dioxide in two different reactions. 1 It is heated strongly. 2 It is added to hydrochloric acid. Which type of reaction occurs in 1 and …
- Question 34
Substance X is used to treat industrial waste. industrial waste pH 4 treated waste pH 7 X What is X and which type of reaction occurs during the treatment? X type of reaction A calcium oxide (lime) neutralisation B calcium …
- Question 35
An organic compound has the molecular structure shown. …
- Question 36
Which statement about petroleum is not correct? A It can be separated into useful substances by fractional distillation. B It consists mainly of hydrocarbons. C It is found underground in many parts of the world. D Its main use is …
- Question 37
The structures of four different organic compounds are shown. …
- Question 38
The structure of a compound, Y, is shown. …
- Question 39
A hydrocarbon A is cracked to make B and hydrogen. Compound C is formed by the addition polymerisation of B. To which homologous series do A, B and C belong? alkene alkane …
- Question 40
Which row correctly describes the production of ethanol and its properties? can be made from glucose can be made from ethene is used as a fuel is used as a solvent …
Other Chemistry papers from May/June 2015
- 0620/11 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/21 Theory (Core)
- 0620/22 Theory (Core)
- 0620/23 Theory (Core)
- 0620/31 Theory (Extended)
- 0620/32 Theory (Extended)
- 0620/33 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical