Cambridge O Level · 5070 · Paper 1 · Multiple choice
Chemistry 5070/11 May/June 2018 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 1, May/June 2018: 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: 5070_s18_qp_11 · 5070_s18_ms_11
Grade thresholds for 5070/11 May/June 2018
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 | 24 | 19 | 16 | 14 |
Topics in this paper
Which syllabus chapters 5070/11 May/June 2018 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 5070/11 May/June 2018
- Question 1
A gas is less dense than air and dissolves in water. Which diagram shows the correct method of collecting this gas? …
- Question 2
Which mixture can be separated into its components by adding water, stirring and filtering? A calcium carbonate and sodium chloride B magnesium and iron C sodium chloride and copper(II) sulfate D sulfuric acid and hydrochloric acid
- Question 3
Tests were carried out on an aqueous solution of an unknown compound, P. The observations are recorded in the table. test observation aqueous sodium hydroxide added green precipitate, soluble in excess giving a green solution dilute nitric acid added then …
- Question 4
Which substance would diffuse most quickly? A carbon dioxide at …
- Question 5
The ion Q2+ has three complete shells of electrons. What is Q? A calcium B magnesium C oxygen D sulfur
- Question 6
The diagrams show the arrangement of particles in three solids: X, Y and Z. The three solids are krypton, potassium and sodium chloride. …
- Question 7
In the electrolysis of CuSO4(aq), what is the ionic equation for the reaction at the cathode? A Cu …
- Question 8
Ethane, C2H6, and ammonia, NH3, are covalent compounds. The dot-and-cross diagrams of these compounds are shown. …
- Question 9
Which statement is correct? A All compounds are ionic. B All compounds conduct electricity when molten. C Each element only contains one type of atom. D In a mixture of substances, the proportions of the substances are always the same.
- Question 10
When 1 volume of gas R reacts with exactly 5 volumes of oxygen, it forms carbon dioxide and water only. What is R? A butane, C4H10 B ethane, C2H6 C methane, CH4 D propane, C3H8
- Question 11
Two characteristics of a gas, G, are given. ● G reduces copper(II) oxide to a pink-brown solid. …
- Question 12
The relative formula masses of four compounds are given. A student has …
- Question 13
The diagrams show an electrolysis experiment using inert electrodes. liquid …
- Question 14
Which statement about ionic compounds is correct? A Ionic compounds conduct electricity when solid because they contain charged particles that can move. B Ionic compounds consist of a lattice of positive ions and negative ions. C Most ionic compounds are …
- Question 15
The diagram shows apparatus that can be used to extract aluminium from its ore. …
- Question 16
The diagram shows the energy profile for a reaction. energy progress of reaction route 1 route 2 reactants products Which statements about this reaction are correct? 1 More energy is needed to break the bonds than is released when new …
- Question 17
The diagram shows the fractionation of petroleum (crude oil). crude oil petrol (gasoline) fraction naphtha paraffin (kerosene) lubricating oils diesel bitumen Which row shows the correct use for the fraction? fraction use A bitumen as a lubricant B diesel for …
- Question 18
Which compound is a constituent of petroleum (crude oil)? A C2H5OH B CH3CO2H …
- Question 19
A student wrote two conclusions about calcium carbonate. conclusion 1 The reaction with dilute hydrochloric acid is faster with powdered calcium carbonate than with large pieces of calcium carbonate. conclusion 2 Grinding large pieces of calcium carbonate to form powder …
- Question 20
A compound decolourises acidified potassium manganate(VII). What could this compound be? 1 magnesium chloride, MgCl 2 2 iron(II) chloride, FeCl 2 3 ethanol, C2H5OH …
- Question 21
Nitrogen reacts with oxygen in an equilibrium reaction. …
- Question 22
A solution of W has the following properties. ● When added in excess to solid ammonium chloride, a gas is given off that turns damp red litmus paper blue. ● When added in excess to a solution of pH 3, …
- Question 23
Pure lead(II) sulfate is prepared by mixing two substances, X and Y. When the reaction is complete the mixture is filtered. Pure lead(II) sulfate is obtained. filtrate residue Which row shows the best way to prepare pure lead(II) sulfate? substance …
- Question 24
What are the percentages by mass of nitrogen in ammonium nitrate, NH4NO3, and in calcium nitrate, Ca(NO3)2? % nitrogen in NH4NO3 % nitrogen in Ca(NO3)2 …
- Question 25
The diagram shows three steps in the manufacture of sulfuric acid. sulfur sulfur dioxide sulfur trioxide step P step Q step R sulfuric acid In which steps is a catalyst used? …
- Question 26
Which statement about the elements in the Periodic Table is correct? A An atom of potassium, K, has more protons than an atom of argon, Ar. B Elements in the same period have similar chemical properties. C Elements that are …
- Question 27
The positions of four elements are shown on the outline of part of the Periodic Table. Which element is a solid non-metal at …
- Question 28
What is not a typical property of transition elements? A They form coloured compounds. B They have high melting points. C They have low densities. D They have variable oxidation states.
- Question 29
Brass is an alloy. Which statement about brass is correct? A It contains a sea of electrons. B It contains positive and negative ions which are free to move. C It is a compound of a metal and a non-metal. …
- Question 30
Which statement about the reactions of some metals and metal compounds is correct? A Copper reacts with dilute hydrochloric acid to form hydrogen. B Sodium oxide is reduced to sodium metal by heating with carbon. C Zinc carbonate is more …
- Question 31
Which metal is used in the galvanising of iron? A calcium B copper C lead D zinc
- Question 32
Iron is obtained in the blast furnace from the ore haematite. Which process takes place in the blast furnace? A Calcium carbonate is used to remove acidic impurities. B Coke is reduced to carbon dioxide. C Haematite is oxidised by …
- Question 33
Aluminium is a Group III element. It is extracted from its ore by electrolysis. The position of aluminium in the Periodic Table indicates that its aqueous ion is likely to be 1 . Its method of extraction indicates that aluminium …
- Question 34
Which pair of gases are both non-acidic? A ammonia and methane B carbon dioxide and ammonia C methane and nitrogen dioxide D nitrogen dioxide and carbon dioxide
- Question 35
Which term correctly describes the conversion of seawater into drinkable water? A chlorination B desalination C filtration D neutralisation
- Question 36
Which formula represents an alkane? …
- Question 37
Z is a compound that: ● can be formed, as the only other product, when the alkane C8H18 is cracked to produce butane ● decolourises bromine water ● has a branched chain structure. What is the formula of …
- Question 38
A carboxylic acid of molecular formula C4H8O2 reacts with an alcohol of molecular formula C3H8O to form an ester. What could be the formula of the ester formed? CH2 CH3 C CH2 CH2 CH2 CH3 …
- Question 39
Some properties of compound J are listed. ● It reacts with potassium carbonate to produce carbon dioxide. ● It reacts with ethanol to produce a sweet-smelling liquid. ● It reacts with sodium hydroxide to produce a salt. What is a …
- Question 40
Which partial structure represents nylon? …
Other Chemistry papers from May/June 2018
- 5070/12 Multiple choice
- 5070/21 Theory
- 5070/22 Theory
- 5070/41 Alternative to Practical
- 5070/42 Alternative to Practical