Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 May/June 2012 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 2, May/June 2012: 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
- 30
File names: 0620_s12_qp_12 · 0620_s12_ms_12
Grade thresholds for 0620/12 May/June 2012
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 |
|---|---|---|---|---|
| 30 | 0 | 24 | 0 | 16 |
Topics in this paper
Which syllabus chapters 0620/12 May/June 2012 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 May/June 2012
- Question 1
Which diagram shows the process of diffusion? …
- Question 2
Which method would be most suitable for the separation of a mixture of sand and water to obtain the sand? A chromatography B crystallisation C distillation D filtration
- Question 3
A student investigates how the concentration of an acid affects the speed of reaction with …
- Question 4
An element Y has the proton number 18. The next element in the Periodic Table is an element Z. Which statement is correct? A Element Z has one more electron in its outer shell than element Y. B Element Z …
- Question 5
Which atom has twice as many neutrons as protons? …
- Question 6
The table contains information about four substances. Which substance is potassium chloride? conduction of electricity melting point / °C when molten in aqueous solution A 11 no yes B 98 yes yes C 772 yes yes D 1410 no insoluble
- Question 7
The electronic structures of atoms P and Q are shown. …
- Question 8
The diagrams show the structures of two forms, P and Q, of a solid element. P Q What are suitable uses of P and Q, based on their structures? use of solid P use of solid Q A drilling drilling …
- Question 9
Methane, CH4, burns in the air to form carbon dioxide and water. What is the balanced equation for this reaction? A CH4(g) …
- Question 10
In which reaction is lead(II) oxide, PbO, oxidised? A PbO …
- Question 11
The diagram shows an unsuccessful experiment to nickel plate a pan. pan nickel sulfate solution nickel cathode –ve +ve Which change is necessary to plate the pan with nickel? A Add more nickel sulfate to the solution. B Heat the …
- Question 12
The rates of some chemical reactions can be measured by using the apparatus shown. 94.72 g reactants balance For which reaction is this apparatus suitable? A MgCO3 + 2HCl → MgCl 2 + CO2 …
- Question 13
The diagram shows that two gases are formed when concentrated hydrochloric acid is electrolysed using inert electrodes. +ve –ve concentrated hydrochloric acid Which row correctly describes the colours of the gases at the electrodes? anode (+ve) cathode (–ve) A colourless …
- Question 14
The diagram shows the reaction between zinc oxide and dilute hydrochloric acid. dilute hydrochloric acid 20 °C pH 1 aqueous zinc chloride 22 °C pH 7 before after zinc oxide powder Which terms describe the reaction? endothermic neutralisation …
- Question 15
Four different gases are passed through the apparatus shown. gas in gas out damp red litmus paper damp blue litmus paper Which gas has no effect on either piece of litmus paper? A ammonia B carbon dioxide C chlorine D …
- Question 16
An aqueous solution of copper(II) sulfate was made by adding excess copper(II) oxide to dilute sulfuric acid. The mixture was heated, stirred and then filtered. dilute sulfuric acid copper(II) oxide heat copper(II) sulfate solution What was the pH of the …
- Question 17
Aqueous potassium iodide is added to aqueous silver nitrate. What are the colours of the final precipitate and solution? precipitate solution A brown colourless B white yellow C yellow colourless D yellow white
- Question 18
Three gas jars contain carbon dioxide, hydrogen and oxygen, as shown. carbon dioxide hydrogen oxygen Which one of the following tests could be used to discover which gas is in each jar? A a glowing splint B a lighted splint …
- Question 19
The diagram shows an outline of part of the Periodic Table. …
- Question 20
Elements X, Y and Z are in Group VII of the Periodic Table. X is a gas. Y is less reactive than Z Z is a red liquid. When X, Y and Z are put in order of increasing proton …
- Question 21
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 22
Five elements have proton numbers …
- Question 23
Which statement about aluminium is not correct? A It is resistant to corrosion. B It is strong and has a high density. C It is used in food containers. D It is used in the manufacture of aircraft.
- Question 24
Many metals are extracted from their ores by heating the metal oxide with carbon. Which metal cannot be extracted using this method? A aluminium B copper C iron D zinc
- Question 25
A metal has the following properties. ● It does not react with cold water. ● It reacts with dilute hydrochloric acid. ● It cannot be extracted from its oxide using carbon. Between which two metals in the reactivity series should …
- Question 26
Which statements about the general properties of metals are correct? 1 conduct electricity when solid 2 form acidic oxides 3 high melting point A 1 and …
- Question 27
Water for human use is treated by filtration then chlorination. Which uses do not need water of this quality? 1 water for cooling in industry 2 water for flushing toilets in the home 3 water for drinking …
- Question 28
Carbon monoxide is an air pollutant produced when petrol is burned in a car engine. Why is carbon monoxide considered to be an air pollutant? A It causes global warming. B It causes the corrosion of buildings. C It is …
- Question 29
A new planet has been discovered and its atmosphere has been analysed. atmosphere planet The table shows the composition of the atmosphere. gas percentage by volume carbon dioxide 4 nitrogen 72 oxygen 24 Which gases are present in the atmosphere …
- Question 30
Acetylene, C2H2, is a hydrocarbon. When acetylene and oxygen react, the hot flame produced can be used to weld steel. Which statement is correct? A Acetylene and oxygen react exothermically. B Acetylene is saturated. C Oxygen and steel react endothermically. …
- Question 31
Fertilisers are used to provide three elements needed to increase the yield of crops. Which two compounds, when used together, would provide all three of these elements? A ammonium nitrate and calcium phosphate B ammonium nitrate and potassium sulfate C …
- 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
When coal and oil burn in power stations, the acidic gas sulfur dioxide is formed. Sulfur dioxide is removed by absorbing it in a liquid sprayed down a tower. tower waste gases (including sulfur dioxide) liquid X spray What is …
- Question 34
The table shows bonds that are present and bonds that are not present in compound X. bond …
- Question 35
The diagram shows different fuels from which electricity can be generated. electricity coal uranium diesel oil Which box completes the diagram? ammonia A bitumen B natural gas C steam D
- Question 36
The diagram shows apparatus used to separate petroleum into four fractions. petroleum on rock wool heat thermometer water fraction Which fraction contains the smallest hydrocarbon molecules? fraction boiling point range …
- Question 37
Ethanol is a fuel used in cars. It can be made from petroleum. …
- Question 38
Butene is an alkene which is manufactured by cracking hydrocarbons. …
- Question 39
Which substance does not produce carbon dioxide when it burns in oxygen? A butane B ethanol C ethene D hydrogen
- Question 40
Ethanol is an important chemical produced by the 1 of 2 . Which words correctly complete gaps 1 and …
Other Chemistry papers from May/June 2012
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- 0620/31 Theory (Extended)
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- 0620/33 Theory (Extended)
- 0620/61 Alternative to Practical
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