Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 Feb/March 2016 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 2, Feb/March 2016: 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
- 27
File names: 0620_m16_qp_12 · 0620_m16_ms_12
Grade thresholds for 0620/12 Feb/March 2016
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 |
|---|---|---|---|---|
| 27 | 23 | 19 | 17 | 15 |
Topics in this paper
Which syllabus chapters 0620/12 Feb/March 2016 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 Feb/March 2016
- Question 1
Two gas jars are set up as shown. before after jar 2 jar 1 jar 2 jar 1 lid air brown gas The lid is removed and the gas jars are left to stand. After some time the contents of …
- Question 2
Which piece of apparatus is used to measure variable quantities of liquid in a titration? …
- Question 3
Which method separates a mixture of sugar and glass? A dissolve, filter and evaporate B distil and filter C fractionally distil D use chromatography
- Question 4
In which row are the substances correctly classified? element compound mixture A brass sulfur water B sulfur brass water C sulfur water brass D water sulfur brass
- Question 5
Element Q has 4 electrons in its outer shell and has 69 neutrons. Q conducts electricity. What is Q? A carbon (C) B lead (Pb) C thulium (Tm) D tin (Sn)
- Question 6
Which statement describes positive ions? A Positive ions have more electrons than neutrons. B Positive ions have more protons than neutrons. C Positive ions have more electrons than protons. D Positive ions have more protons than electrons.
- Question 7
The electronic structures of atoms X and Y are shown. …
- Question 8
The compound magnesium nitrate has the formula Mg(NO3)2. What is the relative formula mass of magnesium nitrate? …
- Question 9
The diagram shows, in cross-section, the arrangement of aluminium and steel wires in an electric power cable. key = aluminium = steel Which metal wire is the better conductor and which metal wire has the greater mechanical strength? better conductor …
- Question 10
When concentrated hydrochloric acid is electrolysed, gases P and Q are formed. …
- Question 11
Which substance could not be used as a fuel to heat water in a boiler? A ethanol B hydrogen C methane D oxygen
- Question 12
Which statement about reactions that produce heat is not correct? A Burning magnesium produces heat energy. B The overall reaction is exothermic. C The products have more energy than the reactants. D The temperature of the surroundings increases.
- Question 13
Which changes increase the rate of reaction? 1 increasing the concentration of the reactants 2 increasing the particle size of a solid reactant 3 increasing the temperature …
- Question 14
Two reactions involving water are shown. X anhydrous cobalt(II) chloride + water → hydrated cobalt(II) chloride Y iron + oxygen + water → rust Which reactions are reversible by heating? …
- Question 15
Iron is extracted from iron oxide using carbon monoxide as shown. iron oxide + carbon monoxide → iron + carbon dioxide Which statement is correct? A Carbon monoxide is oxidised to carbon dioxide. B Carbon monoxide is reduced to carbon …
- Question 16
Four different solutions, W, X, Y and Z, are tested with Universal Indicator. solution …
- Question 17
Methyl orange turns red in the solution formed when substance R reacts with water. What is R? A calcium oxide B potassium oxide C sodium oxide D sulfur dioxide
- Question 18
A salt is made by adding an excess of an insoluble metal oxide to an acid. How is the excess metal oxide removed from the mixture? A chromatography B crystallisation C distillation D filtration
- Question 19
A substance is heated with aluminium foil in aqueous sodium hydroxide. A gas is produced which turns damp, red litmus paper blue. Which anion is present in the substance? A carbonate B iodide C nitrate D sulfate
- Question 20
An element does not conduct electricity and exists as diatomic molecules. Where in the Periodic Table is the element found? …
- Question 21
In the Periodic Table, how does the metallic character of the elements vary from left to right across a period? A It decreases. B It increases. C It increases then decreases. D It stays the same.
- Question 22
The elements in a group of the Periodic Table show the following trends. 1 The element with the lowest proton number has the lowest reactivity. 2 All the elements in the group form basic oxides. 3 The density of the …
- Question 23
Which element is a transition metal? melting point in °C density in g / cm3 colour of oxide …
- Question 24
Uranium is a radioactive element but it is also a typical metal. What is not a property of uranium? A It can be hammered into shape. B It conducts heat. C It is used as a source of energy. D …
- Question 25
Which metal reacts with steam but not with cold water? A calcium B copper C sodium D zinc
- Question 26
Iron is extracted from hematite in the blast furnace. The hematite contains silicon(IV) oxide (sand) as an impurity. What reacts with this impurity to remove it? A calcium oxide B carbon C carbon dioxide D slag
- Question 27
The bodies of aircraft are often made using aluminium. Which two properties of aluminium make it suitable for this use? property 1 property 2 A good conductor of electricity good conductor of heat B good conductor of electricity strong C …
- Question 28
The diagram shows how water is treated to make it suitable for drinking. reservoir stage 1 stage 2 chlorination stage 3 drinking water stage 4 What happens in stage 2? A condensation B distillation C evaporation D filtration
- Question 29
Pure air contains nitrogen, oxygen and small amounts of other gases. The noble gases have been left out of the table. Which row shows the composition of dry, unpolluted air? nitrogen / % oxygen / % other gases …
- Question 30
Which pollutant gas can be produced as a result of incomplete combustion of octane, C8H18? A carbon B carbon dioxide C carbon monoxide D methane
- Question 31
Fertilisers are used to provide three elements needed to increase the yield of crops. Which two compounds would provide all three of these elements? A ammonium nitrate and calcium phosphate B ammonium nitrate and potassium sulfate C potassium nitrate and …
- Question 32
Which statement describes a disadvantage of sulfur dioxide? A It can be used as a bleach in making wood pulp. B It can be used to kill bacteria in food. C It can be used to manufacture sulfuric acid. D …
- Question 33
Why does a farmer put lime (calcium oxide) on the soil? A to act as a fertiliser B to kill pests C to make the soil less acidic D to make the soil less alkaline
- Question 34
What is the name of fraction X? kerosene X gasoline refinery gas fractions diesel oil lubricating fraction petroleum bitumen A alcohol B fuel oil C naphtha D paraffin
- Question 35
Which pair of molecules are hydrocarbons? A ethane and ethanol B ethane and ethene C ethanoic acid and ethene D ethanol and ethanoic acid
- Question 36
Which bond is not present in the structure of ethanol, CH3CH2OH? …
- Question 37
Which change on the diagram involves combustion? Some of the reaction products are not shown on the diagram. sugar + yeast in water ethanol carbon dioxide ethene poly(ethene) change A change B change C change D
- Question 38
The structures of three molecules are shown. C O OH …
- Question 39
Information about four hydrocarbons is shown. hydrocarbon number of carbon atoms in the molecule reaction with bromine water W 1 no reaction X 2 no reaction Y 3 decolourises it Z 4 decolourises it Which statement is correct? A Hydrocarbon …
- Question 40
Which structure represents a compound that dissolves in water to form an acidic solution? …
Other Chemistry papers from Feb/March 2016
- 0620/22 Multiple choice (Extended)
- 0620/32 Theory (Core)
- 0620/42 Theory (Extended)
- 0620/62 Alternative to Practical