Cambridge IGCSE ยท 0620 ยท Paper 1 ยท Multiple choice (Core)
Chemistry 0620/11 May/June 2012 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 1, 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
- 29
File names: 0620_s12_qp_11 ยท 0620_s12_ms_11
Grade thresholds for 0620/11 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 |
|---|---|---|---|---|
| 29 | 0 | 22 | 0 | 14 |
Topics in this paper
Which syllabus chapters 0620/11 May/June 2012 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 7 | โ |
| Chemistry of the environment | 7 | โ |
| Organic chemistry | 6 | โ |
| Atoms, elements and compounds | 5 | โ |
| The Periodic Table | 4 | โ |
| Metals | 3 | โ |
| Experimental techniques and chemical analysis | 2 | โ |
| Electrochemistry | 2 | โ |
| Chemical reactions | 2 | โ |
| States of matter | 1 | โ |
| Stoichiometry | 1 | โ |
Questions in 0620/11 May/June 2012
- Question 1
Which diagram shows the process of diffusion? โฆ
- Question 2
Which method is most suitable to obtain zinc carbonate from a suspension of zinc carbonate in water? A crystallisation B distillation C evaporation D filtration
- Question 3
A student investigates how the concentration of an acid affects the speed of reaction with โฆ
- 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 โฆ
- Question 5
Which atom has twice as many neutrons as protons? โฆ
- Question 6
Which is a simple covalent molecule? conducts electricity when solid when molten volatile โฆ
- Question 7
The electronic structures of atoms P and Q are shown. โฆ
- 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 โฆ
- Question 9
The equation for the reaction between magnesium and dilute sulfuric acid is shown. Mg + H2SO4 โ MgSO4 + H2 Mr of MgSO4 is 120 Which mass of magnesium sulfate will be formed if 12 g of magnesium are reacted โฆ
- Question 10
Winston Churchill, a British Prime Minister, had his false teeth electroplated with gold. The teeth were coated with a thin layer of carbon and were then placed in the apparatus shown. false teeth switch gold aqueous solution of a gold โฆ
- Question 11
The diagram shows that two gases are formed when concentrated hydrochloric acid is electrolysed using inert electrodes. +ve โve concentrated hydrochloric acid Which row correctly describes the colours of the gases at the electrodes? anode (+ve) cathode (โve) A colourless โฆ
- Question 12
The diagram shows the reaction between zinc oxide and dilute hydrochloric acid. dilute hydrochloric acid 20 ยฐC pH 1 aqueous zinc chloride 22 ยฐC pH 7 before after zinc oxide powder Which terms describe the reaction? endothermic neutralisation โฆ
- Question 13
The apparatus shown is used to measure the speed of a reaction. gas syringe reactants Which equation represents a reaction where the speed can be measured using this apparatus? A Mg(s) + 2HCl (aq) โ MgCl 2(aq) โฆ
- Question 14
The element vanadium, V, forms several oxides. In which change is oxidation taking place? A VO2 โฆ
- Question 15
A gas is escaping from a pipe in a chemical plant. A chemist tests this gas and finds that it is alkaline. What is this gas? A ammonia B chlorine C hydrogen D sulfur dioxide
- Question 16
The results of three tests on a solution of compound X are shown in the table. test result aqueous sodium hydroxide added white precipitate formed, soluble in excess aqueous ammonia added white precipitate formed, insoluble in excess acidified silver nitrate โฆ
- Question 17
The graph shows how the pH changes as an acid is added to an alkali. acid + alkali โ salt + water Which letter represents the area of the graph where both acid and salt are present? pH โฆ
- Question 18
Dilute hydrochloric acid is added to a solid, S. A flammable gas, G, is formed. Gas G is less dense than air. What are S and G? solid S gas G A copper hydrogen B copper carbonate carbon dioxide C โฆ
- Question 19
The diagram shows a section of the Periodic Table. Which element is described below? โA colourless, unreactive gas that is denser than air.โ โฆ
- Question 20
Element X is below iodine in the Periodic Table. Which row correctly shows the physical state of element X at room temperature and its reactivity compared with that of iodine? physical state of element X at room temperature reactivity compared โฆ
- 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 โฆ
- Question 22
Five elements have proton numbers โฆ
- Question 23
Which statement about the uses of metals is correct? A Aluminium is used in the manufacture of aircraft as it has a high density. B Aluminium is used to make food containers as it conducts electricity. C Stainless steel for โฆ
- Question 24
Which statement about the extraction of iron from its ore is correct? A Iron is more difficult to extract than zinc. B Iron is more difficult to extract than copper. C Iron is easy to extract because it is a โฆ
- Question 25
Metal X reacts violently with water. Metal Y reacts slowly with steam. Metal Z does not react with dilute hydrochloric acid. What is the correct order of reactivity of these metals, most reactive first? โฆ
- Question 26
Which property is shown by all metals? A They are extracted from their ores by heating with carbon. B They conduct electricity. C They form acidic oxides. D They react with hydrochloric acid to form hydrogen.
- Question 27
Some uses of water are listed. 1 for drinking 2 in chemical reactions 3 in swimming pools 4 in washing For which uses is it necessary to chlorinate the water? A 1 and โฆ
- Question 28
Coal is a fossil fuel. Which gas is not formed when coal burns? A carbon dioxide B carbon monoxide C methane D sulfur dioxide
- Question 29
Which is a use of oxygen? A filling balloons B filling light bulbs C food preservation D making steel
- Question 30
Fertilisers need to supply crops with three main elements. Which compound contains all three of these elements? A H3PO4 B KNO3 C NH4K2PO4 D NH4NO3
- Question 31
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 โฆ
- Question 32
Gas X is a waste gas from digestion in animals. Gas Y is formed when gas X is burnt with a small amount of oxygen. Gas Z is formed when gas X is burnt with an excess of oxygen. What โฆ
- Question 33
Air containing an acidic impurity was neutralised by passing it through a column containing substance X. acidic air neutralised air substance X What is substance X? A calcium oxide B sand C sodium chloride D concentrated sulfuric acid
- Question 34
The structure of a compound is shown. โฆ
- Question 35
Which fraction from the fractional distillation of petroleum does not match its correct use? fraction use A fuel oil domestic heating B kerosene jet fuel C naphtha making roads D refinery gas for heating and cooking
- 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 โฆ
- Question 37
When a long chain hydrocarbon is cracked, the following products are produced. โฆ
- Question 38
PVA is a polymer. The monomer has the structure shown. โฆ
- Question 39
Which equation represents incomplete combustion of ethane? โฆ
- Question 40
Ethanol is an important chemical produced by the 1 of 2 . Which words correctly complete gaps 1 and โฆ
Other Chemistry papers from May/June 2012
- 0620/12 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