Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 May/June 2019 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 2, May/June 2019: 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
- 25
File names: 0620_s19_qp_12 · 0620_s19_ms_12
Grade thresholds for 0620/12 May/June 2019
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 |
|---|---|---|---|---|
| 25 | 22 | 19 | 16 | 13 |
Topics in this paper
Which syllabus chapters 0620/12 May/June 2019 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 May/June 2019
- Question 1
Which row describes the arrangement and motion of particles in a solid? arrangement motion A random move in all directions B random stay in one place C regular move freely D regular vibrate about a fixed point
- Question 2
A student measures 25.00 cm3 of dilute hydrochloric acid accurately. Which apparatus is most suitable? A beaker B measuring cylinder C burette D dropping pipette
- Question 3
Which sequence is used to separate a soluble salt from a mixture of a soluble and an insoluble salt? A add solvent, heat the mixture, crystallise the mixture B add solvent, heat the mixture, filter, crystallise the filtrate C heat …
- Question 4
Which diagram shows the correct level of the solvent at the start of a chromatography experiment? B spot of sample level of solvent A spot of sample level of solvent D spot of sample level of solvent C spot of …
- Question 5
- Question 6
Which statement about the formation of ions in chemical reactions is correct? A A bromine atom loses an electron and forms a –1 ion. B A chlorine atom gains an electron and forms a –1 ion. C A potassium atom …
- Question 7
Which row describes the formation of single covalent bonds in methane? A atoms share a pair of electrons both atoms gain a noble gas electronic structure B atoms share a pair of electrons both atoms have the same number of …
- Question 8
Which statement explains why graphite is used as a lubricant? A Each carbon atom in graphite forms three bonds. B The bonding in graphite is covalent. C The carbon atoms are arranged in hexagons. D There are weak forces between …
- Question 9
The compound magnesium nitrate has the formula Mg(NO3)2. What is the relative formula mass of magnesium nitrate? …
- Question 10
Samples of dilute sulfuric acid and concentrated hydrochloric acid are separately electrolysed. Which row describes the product at each electrode during the electrolysis of both substances? product at each anode product at each cathode A different different B different same …
- Question 11
Which row describes the energy level diagram and energy change in an exothermic reaction? energy level diagram energy is A reactants higher than products absorbed B reactants higher than products released C reactants lower than products absorbed D reactants lower …
- Question 12
Which process is a physical change? A a firework exploding B burning wood C chocolate melting D iron rusting
- Question 13
An experiment is set up as shown. The mass of the conical flask and its contents is measured at 30 second intervals. 50 cm3 dilute hydrochloric acid balance 1 g calcium carbonate Which statement about the reaction and about changes …
- Question 14
When blue-green crystals of nickel(II) sulfate are heated, water is produced and a yellow solid remains. When water is added to the yellow solid, the blue-green colour returns. Which process describes these changes? A combustion B corrosion C neutralisation D …
- Question 15
Different types of reaction are listed. 1 oxidation 2 decomposition 3 combustion 4 reduction The equation shows the reaction of magnesium with oxygen. 2Mg …
- Question 16
Which colours are seen when litmus and methyl orange are added to separate samples of aqueous sodium hydroxide? litmus methyl orange A blue orange B blue yellow C purple orange D purple yellow
- Question 17
- Question 18
An acid is neutralised by adding an excess of an insoluble solid base. A soluble salt is formed. How is the pure salt obtained from the reaction mixture? A crystallisation → evaporation → filtration B evaporation → crystallisation → filtration …
- Question 19
A substance is tested with three different reagents. Which row shows the results obtained with aqueous iron(II) nitrate? aqueous sodium hydroxide acidified aqueous silver nitrate acidified aqueous barium nitrate A green precipitate, insoluble in excess no reaction no reaction B …
- Question 20
Part of the Periodic Table is shown. …
- Question 21
The melting points and boiling points of the elements of Group I of the Periodic Table are shown. element melting point / °C boiling point / °C lithium 181 1330 sodium 98 883 potassium 63 759 rubidium 39 688 caesium …
- Question 22
The table gives some information about four metals, …
- Question 23
The electronic structures of helium, neon and argon are shown. He Ne Ar Which row describes these gases? reactivity form of the gas electronic structure A reactive monoatomic incomplete outer shell of electrons B unreactive diatomic complete outer shell of …
- Question 24
The diagrams show the structure of two substances used to make electrical conductors. X Y Which statement correctly describes X and …
- Question 25
Three different metals are reacted separately with dilute hydrochloric acid and with water. The results are shown. metal reaction with dilute hydrochloric acid reaction with water R reacts no reaction S no reaction no reaction T reacts reacts What is …
- Question 26
Iron is extracted from its ore in a blast furnace. Hematite, coke, limestone and hot air are added to the furnace. Which explanation is not correct? A Coke burns and produces a high temperature. B Hematite is the ore containing …
- Question 27
Which property of aluminium makes it useful in the manufacture of aircraft? A conducts electricity B high boiling point C low density D silver colour
- Question 28
Water can be treated by filtration then chlorination. Which uses do not need water of this quality? 1 water for cooling in industry 2 water for washing clothes 3 water for drinking …
- Question 29
The following gases pollute the atmosphere. 1 sulfur dioxide 2 oxides of nitrogen 3 carbon monoxide Which gases contribute to acid rain? A 1 only B 1 and …
- Question 30
The diagram shows an experiment to investigate how paint affects the rusting of iron. air P Q water iron painted iron What happens to the water level in tubes P and Q? tube P tube Q A falls rises B …
- Question 31
Ammonia gas is produced when compound X is warmed with an ammonium salt. What is X? A calcium carbonate B calcium hydroxide C sodium chloride D potassium nitrate
- Question 32
Which statement describes a disadvantage of sulfur dioxide? A It can be used as a bleach when 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
The diagram represents a lime kiln used to heat limestone to a very high temperature. air in fuel in fuel in air in X waste gases limestone lime kiln What leaves the kiln at X? A calcium carbonate B calcium …
- Question 34
What is the structure of ethanoic acid? …
- Question 35
Which fuel could be gasoline? Is it obtained from petroleum? Is it used as fuel for cars? Is it used as fuel for cars? no yes no yes …
- Question 36
A hydrocarbon W burns to form carbon dioxide and water. W decolourises bromine water. What is the name of W and what is its structure? name of W structure of W A ethane …
- Question 37
Which statement about homologous series is not correct? A All homologous series are hydrocarbons. B Members of a homologous series have the same functional group. C Members of a homologous series have similar chemical properties. D The alkanes are an …
- Question 38
Which statements about ethanol are correct? 1 It can be made by fermentation. 2 It is an unsaturated compound. 3 It burns in air and can be used as a fuel. …
- Question 39
What are the properties of aqueous ethanoic acid? decolourises bromine water reacts with calcium carbonate to make carbon dioxide turns damp red litmus blue …
- Question 40
Which polymers are found in foods? 1 carbohydrates 2 poly(ethene) 3 protein 4 Terylene A 1 only B 1 and …
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