Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 May/June 2020 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 2, May/June 2020: the question paper and its official mark scheme, 40 questions worth 40 marks. Free to open, no account needed.
- Questions
- 40
- Marks
- 40
File names: 0620_s20_qp_12 · 0620_s20_ms_12
Topics in this paper
Which syllabus chapters 0620/12 May/June 2020 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 May/June 2020
- Question 1
Each rectangle shows the arrangement of particles in each of the three states of matter. X, Y and Z represent the processes needed to change from one state to another. …
- Question 2
Which piece of apparatus is used to measure 25.0 cm3 of aqueous sodium hydroxide? …
- Question 3
Which process is used to produce drinking water from sea water? A crystallisation B distillation C filtration D chlorination
- Question 4
The diagram shows the electronic structure of a particle with a nucleon number (mass number) of …
- Question 5
The Group I element sodium forms an ionic bond with the Group VII element fluorine. Which two ions are produced? A Na+ and F+ B Na+ and F– C Na– and F– D Na– and F+
- Question 6
The electronic structures of two atoms, P and Q, are shown. …
- Question 7
Graphite is a macromolecule. Which statements about graphite are correct? 1 Carbon atoms form four covalent bonds with neighbouring atoms. 2 There are free electrons between layers of carbon atoms. 3 Graphite is a useful lubricant. 4 Graphite is a …
- Question 8
Aluminium oxide has the formula Al 2O3. Which statement about aluminium oxide is correct? …
- Question 9
Dilute sulfuric acid is electrolysed using carbon electrodes. Which row shows the products formed at each electrode? anode cathode A hydrogen oxygen B hydrogen sulfur C oxygen hydrogen D oxygen sulfur
- Question 10
Which fuel does not rely on combustion to release energy? A gasoline B hydrogen C methane D uranium
- Question 11
The energy level diagram shows the energy of the reactants and products in a chemical reaction. reactants progress of reaction products energy Which row correctly describes the energy change and the type of reaction shown? description of energy change type …
- Question 12
Which list contains only chemical changes? A melting, evaporating, dissolving B rusting, freezing, subliming C neutralisation, polymerisation, combustion D boiling, condensing, distillation
- Question 13
Which row shows the changes that all increase the rate of a chemical reaction? concentration of reactants temperature particle size A decrease decrease decrease B decrease increase increase C increase decrease increase D increase increase decrease
- Question 14
Which reaction is reversible? A an iron nail rusting when left in moist air B limestone reacting with an acid to form carbon dioxide gas C magnesium burning in air to produce a white ash D white anhydrous copper(II) sulfate …
- Question 15
When heated strongly, silicon(IV) oxide reacts with carbon. SiO2 …
- Question 16
The graph shows how the pH of a solution changes as an acid is added to an alkali. acid + alkali → salt + water Which letter represents the area of the graph where both acid and salt are present? …
- Question 17
Element G is a metal in Group I of the Periodic Table and element H is a non-metal in Group VII. Both of these elements form oxides. Which statement about their oxides is correct? A Both oxides are acidic. B …
- Question 18
The apparatus shown is used to prepare aqueous copper(II) sulfate. Y solid X aqueous copper(II) sulfate excess of solid X filter paper heat stirrer What are X and …
- Question 19
An aqueous solution of a compound M is tested. The results are shown. ● It gave a lilac colour in a flame test. ● It produced a white precipitate when tested with acidified barium nitrate. What is M? A copper(II) …
- Question 20
The character of the elements and charges on the ions of the elements change across the Periodic Table. Which row describes the elements on the left of the table and the elements on the right? elements on the left elements …
- Question 21
Which statement about Group I and Group VII elements is correct? A Group VII elements are monoatomic non-metals. B Lithium is more reactive with water than caesium. C The melting points of Group I metals increase down the group. D …
- Question 22
The properties of the element titanium, Ti, can be predicted from its position in the Periodic Table. Which row identifies the properties of titanium? can be used as a catalyst conducts electricity when solid has low density forms coloured compounds …
- Question 23
Which diagram shows a mixture of noble gases? …
- Question 24
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 25
The reactions of four metals, …
- Question 26
Molten iron from the blast furnace contains impurities. The process of turning the impure iron into steel involves blowing oxygen into the molten iron and adding calcium oxide. What are the reasons for blowing in oxygen and adding calcium oxide? …
- Question 27
Which statement about mild steel explains why it is a good choice for car bodies? A It is cheap and strong. B It is a good conductor. C It is low density. D It resists rusting.
- Question 28
Which statement about pure water is not correct? A It condenses at …
- Question 29
Which compounds both contribute to ‘acid rain’? A carbon monoxide and lead compounds B carbon monoxide and oxides of nitrogen C oxides of nitrogen and sulfur dioxide D sulfur dioxide and lead compounds
- Question 30
The diagrams show experiments to investigate rusting of iron nails. 3 boiled water 2 salt water 1 tap water layer of oil In which test-tubes do the nails rust? A 1 only B 1 and 2 only C 1 and …
- Question 31
Which bag is not suitable for use as a fertiliser? A ammonium nitrate NH4NO3 B potassium sulfate K2SO4 C sodium chloride NaCl D sodium phosphate Na3PO4
- Question 32
X is a colourless greenhouse gas. It is a waste product from digestion in animals. It is generally unreactive, but it can be burnt. What is X? A carbon dioxide B methane C nitrogen D sulfur dioxide
- Question 33
The list shows four methods that were suggested for the formation of carbon dioxide. 1 cracking methane using steam 2 action of heat on a carbonate 3 complete combustion of methane 4 reaction of a carbonate with oxygen Which methods …
- Question 34
A student suggests three uses of calcium carbonate (limestone). 1 manufacture of cement 2 manufacture of iron 3 treating alkaline soils Which suggestions are correct? A 1 and 2 only B 1 and 3 only C 2 and 3 only …
- Question 35
Which list shows the fractions obtained from distilling petroleum, in order of increasing boiling point? A bitumen → diesel oil → fuel oil → lubricating oil B diesel oil → gasoline → naphtha → kerosene C gasoline → naphtha → …
- Question 36
The structures of four compounds are shown. …
- Question 37
Increasing the number of atoms in one molecule of a hydrocarbon increases the amount of energy released when it burns. What is the correct order? less energy released more energy released A ethene ethane methane B ethene methane ethane C …
- Question 38
Which statement about alcohols is correct? A Alcohols and carboxylic acids have the same functional group. B Ethanoic acid is produced from the reduction of ethanol. C Ethanol is produced in an addition reaction between ethene and hydrogen. D Water …
- Question 39
An organic compound, P, reacts with zinc to produce a gas, Q. What are P and …
- Question 40
Which substances are natural polymers? 1 proteins 2 carbohydrates 3 nylon 4 poly(ethene) A 1 and …
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