Cambridge O Level · 5070 · Paper 1 · Multiple choice
Chemistry 5070/11 May/June 2022 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 1, May/June 2022: the question paper and its official mark scheme, 40 questions worth 40 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 40
- Marks
- 40
- Grade A from
- 24
File names: 5070_s22_qp_11 · 5070_s22_ms_11
Grade thresholds for 5070/11 May/June 2022
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 |
|---|---|---|---|---|
| 24 | 20 | 16 | 14 | 13 |
Topics in this paper
Which syllabus chapters 5070/11 May/June 2022 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 5070/11 May/June 2022
- Question 1
A scientist needs to add approximately 100 cm3 of water to each of 50 large beakers. The scientist needs to fill the beakers as quickly as possible. Which method should be used? …
- Question 2
Four mixtures, each containing two substances, are shown in the table. The two substances need to be separated and collected. Which row is correct? mixture separation method A copper(II) sulfate and water chromatography B methanol and ethanol evaporation C oxygen …
- Question 3
Two samples of a colourless solution are tested separately with aqueous sodium hydroxide, NaOH(aq), and aqueous ammonia, NH3(aq), and the results are recorded. ● A white precipitate is formed with two drops of NaOH(aq). This precipitate dissolves in an excess …
- Question 4
Which row correctly describes changes in the particles when a substance freezes? arrangement of the particles energy change in the particles A particles become more ordered particles gain energy B particles become more ordered particles lose energy C particles become …
- Question 5
Ethylamine gas, C2H5NH2, and hydrogen chloride gas, HCl, react together to form a white solid, ethylamine hydrochloride. At which position in the tube would a ring of solid white ethylamine hydrochloride form? …
- Question 6
Two particles have the symbols Fe …
- Question 7
Two isotopes of chlorine are 35Cl and 37Cl. Using these isotopes and 12C and 1H, how many different relative molecular masses are possible for the compound with molecular formula C2H3Cl …
- Question 8
Which statement about the substances, at room temperature and pressure, is correct? …
- Question 9
A piece of magnesium reacts with dilute hydrochloric acid. The resulting solution is then evaporated leaving a solid residue of magnesium chloride. Which statement is correct? A A covalent solid is formed in this process. B Each chlorine atom gains …
- Question 10
Which dot-and-cross diagram represents carbon dioxide? Only outer shell electrons are shown. …
- Question 11
Two statements about the structure and properties of metals are given. statement 1 Metals are malleable and have high melting points. statement 2 Metals have mobile electrons in their structure. What is correct? A Both statements are correct and statement …
- Question 12
How many different elements are present in ammonium nitrate? …
- Question 13
Aqueous calcium hydroxide is an alkali. It is neutralised by dilute nitric acid to produce calcium nitrate and water. What is the ionic equation for this reaction? A Ca+ + OH– …
- Question 14
The relative molecular mass, Mr, of liquid Z is 60. Z contains 40.0% carbon, 6.70% hydrogen and 53.3% oxygen. Which row shows the correct empirical and molecular formulae of Z? empirical formula molecular formula A CH2O CH2O B CH2O …
- Question 15
How many tonnes of aluminium oxide, Al 2O3, are required to produce 27 tonnes of aluminium? …
- Question 16
Lead(II) bromide is electrolysed using inert electrodes. + – molten lead(II) bromide Which statement is correct? A A brown gas is seen at the positive electrode. B Electrons pass through the solution from one electrode to the other. C Ions …
- Question 17
Compound X is sodium iodide, NaI. Compound Y is methyl methanoate, HCO2CH3. At room temperature and pressure, 1 solid. In aqueous solution, 2 electricity. Which words correctly complete gaps 1 and …
- Question 18
For the forward reaction of a reversible reaction, the enthalpy change of reaction, H, is –50 kJ / mol and the activation energy, Ea, is +60 kJ / mol. What is the activation energy of the reverse reaction? A –110 …
- Question 19
The diagram shows a titration experiment. dilute acid aqueous alkali Which row about the reaction in the conical flask is correct? the reaction is the value of H is A endothermic negative B endothermic positive C exothermic negative D exothermic …
- Question 20
Sulfur dioxide reacts with oxygen in the air. 2SO2(g) + O2(g) 2SO3(g) …
- Question 21
Which statement is correct? A An enzyme is a biological catalyst that decreases the activation energy of a reaction. B An enzyme is a biological catalyst that increases the activation energy of a reaction. C An enzyme is a compound …
- Question 22
Nitrogen dioxide, NO2, is a dark brown gas that decomposes as shown in the equation. 2NO2(g) 2NO(g) + O2(g) dark brown colourless The diagram shows a glass flask containing a mixture of the three gases. The mixture is pale brown. …
- Question 23
Concentrated hydrochloric acid is oxidised by manganese(IV) oxide, MnO2. What are two products of this reaction? A Mn2+ and Cl – B Mn2+ and Cl 2 C Mn6+ and Cl – D Mn6+ and Cl 2
- Question 24
The table gives some information about four redox reactions. Which row gives correct information about what is oxidised and the evidence that this is oxidation? equation what is oxidised in the reaction evidence for this oxidation A CuO(s) + C(s) …
- Question 25
Which statement about acids and bases is correct? A All strong acids react with carbonates but all weak acids do not. B The oxides of Group I metals are amphoteric. C The pH of 1.0 mol / dm3 ethanoic acid, …
- Question 26
Some types of chemical reaction are listed. 1 acid-base 2 combustion 3 redox Which types of reaction occur in a blast furnace during the extraction of iron? …
- Question 27
Which method should be used to make a pure sample of potassium chloride? A adding AgCl (s) to KNO3(aq) B adding excess K2CO3(s) to HCl (aq) C mixing KNO3(aq) with NaCl (aq) D titrating KOH(aq) with HCl (aq)
- Question 28
A pure sample of lead sulfate is made by reacting aqueous solutions of two salts. The lead sulfate formed is then separated from the mixture. Which solutions and method of separation are used? salt solution 1 salt solution 2 method …
- Question 29
Which statement is correct? A Food can be preserved by using sulfur dioxide. B In the Contact process oxygen reacts with sulfur to make sulfur trioxide. C Sulfur dioxide is used to kill bacteria present in wood pulp. D Sulfuric …
- Question 30
Element Y is in Period 3 of the Periodic Table. It forms a chloride that is a liquid at room temperature. Which row shows correct information about the group number and the nature of the oxide of element Y? group …
- Question 31
Which gases are used in light bulbs? 1 argon 2 oxygen 3 neon A 1 only B 1 and 2 only C 1 and 3 only …
- Question 32
The carbonates of metals W, X and Y are heated and the results are shown. colour of metal carbonate gas given off which turns limewater cloudy colour after heating W white yes yellow when hot, white when cold X green …
- Question 33
The diagram shows an experiment to determine the percentage of oxygen in air. lit candle bell jar water Which diagram shows the correct level of water after the candle stops burning? …
- Question 34
Two statements are given. statement 1 The percentage of carbon by mass is greater in methane than in butane. statement 2 Butane is one of two isomers with the molecular formula C4H10. Which statements are correct? A both statement 1 …
- Question 35
One mole of each of the compounds shown is completely combusted. …
- Question 36
The reactants and products of two reactions are shown. reaction …
- Question 37
Which statement about carboxylic acids is correct? A All carboxylic acids include the group: …
- Question 38
The structure of an ester is shown. …
- Question 39
Poly(ethene) is formed by 1 polymerisation of ethene. The formation of nylon and Terylene are examples of 2 polymerisation. Proteins contain the same 3 linkage as nylon. Fats contain the same 4 linkage as Terylene. On hydrolysis, proteins form 5 …
- Question 40
The repeat unit of a polymer is shown. CH3 Cl Br …
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