Cambridge O Level · 5070 · Paper 1 · Multiple choice
Chemistry 5070/12 May/June 2017 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 2, May/June 2017: 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
- 32
File names: 5070_s17_qp_12 · 5070_s17_ms_12
Grade thresholds for 5070/12 May/June 2017
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 |
|---|---|---|---|---|
| 32 | 26 | 20 | 17 | 15 |
Topics in this paper
Which syllabus chapters 5070/12 May/June 2017 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 5070/12 May/June 2017
- Question 1
The diagram shows four pieces of apparatus that are used to measure the volume of a gas or liquid. Which piece of apparatus should always be filled to the same level? A burette B gas syringe C measuring cylinder D …
- Question 2
The diagrams show the structures of two forms of carbon. X Y Which of X and Y conduct electricity? …
- Question 3
An aqueous solution of zinc chloride is tested by adding reagents. Which observation is correct? reagent added to zinc chloride (aq) observations A acidified aqueous barium nitrate forms a white precipitate B aqueous ammonia forms a white precipitate, soluble in …
- Question 4
Which statement about the particles …
- Question 5
The table shows some properties of four substances. Which substance is an ionic compound? melting point / °C conducts electricity when solid dissolves in water conducts electricity in aqueous solution …
- Question 6
Four samples are spotted onto chromatography paper. It is known that one of these samples is pure compound Q. A separate sample of pure compound Q is also spotted onto the paper. The paper is placed in a solvent. The …
- Question 7
How many of the molecules shown contain only one covalent bond? Cl 2 H2 HCl …
- Question 8
Which statements about sulfur and its compounds are correct? 1 Sulfur is in Group VI of the Periodic Table and has six outer shell electrons. 2 In hydrogen sulfide, H2S, sulfur shares one electron with each hydrogen atom. 3 Sulfur …
- Question 9
50.0 cm3 of 0.10 mol / dm3 silver nitrate, AgNO3, is added to 150.0 cm3 of 0.05 mol / dm3 sodium chloride, NaCl, in a beaker. As well as solid silver chloride, what is present in the beaker after reaction? …
- Question 10
Nitrogen monoxide and oxygen react to form nitrogen dioxide. 2NO(g) …
- Question 11
Dilute sulfuric acid is electrolysed between inert electrodes. Which statements are correct? 1 Hydrogen is released at the negative electrode. 2 Oxygen is released at the positive electrode. 3 Sulfur dioxide is released at the positive electrode. 4 The acid …
- Question 12
Caesium, Cs, is in the same group of the Periodic Table as sodium. Which products are obtained from the electrolysis of concentrated aqueous caesium chloride? product at negative electrode solution remaining A caesium hydrochloric acid B chlorine caesium hydroxide C …
- Question 13
The diagrams show the apparatus for the electrolysis of aqueous copper(II) sulfate. In experiment X both electrodes are inert. In experiment Y both electrodes are made of copper. electrode 1 (inert) electrode 2 (inert) X aqueous copper(II) sulfate electrode 3 …
- Question 14
The energy profile diagram for the forward direction of a reversible reaction is shown. energy progress of reaction ∆H activation energy For the reverse reaction, which row correctly shows the sign of the activation energy and the type of enthalpy …
- Question 15
The formation of liquid water from hydrogen and oxygen may occur in three stages. …
- Question 16
In four separate experiments, …
- Question 17
The equation shows the formation of sulfur trioxide in the contact process. 2SO2(g) + O2(g) 2SO3(g) …
- Question 18
Zinc reacts with dilute sulfuric acid. Zn + H2SO4 → ZnSO4 + H2 From this equation, what can be deduced about the reaction? A It is a redox reaction. B It is exothermic. C Zinc is acting as a base. …
- Question 19
Consider the three reactions. 1 reaction between ammonium chloride and calcium hydroxide 2 ethane burning in air 3 reaction between ethanoic acid and ethanol What is true for all three reactions? A Carbon dioxide is formed. B Neutralisation takes place. …
- Question 20
Which statement about weak acids is correct? A They are partially ionised. B They do not react with metals. C They do not react with strong alkalis. D Their solutions have pH values in the range 0 to 2.
- Question 21
Which gas dissolves in water to give a solution with a pH greater than 7? A ammonia B carbon dioxide C nitrogen dioxide D sulfur dioxide
- Question 22
Element X forms an oxide of formula X2O5. In which group of the Periodic Table is X likely to be found? A Group II B Group III C Group V D Group VIII
- Question 23
Element M is a typical transition metal. Which property will it not have? A a low melting point B coloured compounds C good electrical conductivity D variable oxidation states
- Question 24
An atom of element E forms a white oxide of formula EO. What is E? A argon B calcium C copper D potassium
- Question 25
The table shows the proton numbers of four elements. element …
- Question 26
The results of experiments involving four metals, …
- Question 27
Metals have a structure of positive ions in a ‘sea of electrons’. Metals are malleable because it is possible to force the ions to slide over each other. The alloy brass is 1 malleable than pure copper and than pure …
- Question 28
Which two substances are removed from the bottom of a blast furnace? 1 coke 2 iron 3 limestone 4 slag A 1 and …
- Question 29
Aluminium is used in the manufacture of aeroplanes. What is a property of aluminium and is also a reason for this use? A It has a low density. B It is a good conductor of electricity. C It is a …
- Question 30
How can the reaction between nitrogen and hydrogen be described? A a displacement reaction B a neutralisation reaction C a precipitation reaction D a reversible reaction
- Question 31
Bottled fruit juice may have small amounts of sulfur dioxide added. What is the purpose of this? A to adjust the acidity of the fruit juice B to kill any bacteria present C to improve the flavour of the fruit …
- Question 32
Dissolved substances in water can cause eutrophication. How many of the ions shown cause this effect? Cl – CO3 2– Na+ NO3 – PO4 …
- Question 33
Which list contains only gases that are always present in unpolluted air? A oxygen, nitrogen, carbon dioxide, argon, carbon monoxide, nitrogen dioxide B oxygen, nitrogen, carbon dioxide, argon, neon C oxygen, nitrogen, carbon dioxide, nitrogen dioxide, ozone D oxygen, nitrogen, …
- Question 34
One mole of each alkane undergoes complete combustion. Which alkane will produce seven moles of products? A CH4 …
- Question 35
Ethanoic acid is formed when ethanol is reacted with acidified potassium manganate(VII). What is the name of this process? A combustion B condensation C oxidation D polymerisation
- Question 36
The structure of compound X is shown. CH3–CH2–CH2–CH2–OH Which statement is not correct? A X is an alcohol because it contains an –OH group. B X is an isomer of propanol. C X would burn in air to form carbon …
- Question 37
After which conversion does the product contain more carbon atoms than the reactant? A ethanol to ethanoic acid B ethanol to ethyl ethanoate C ethene to ethane D ethene to ethanol
- Question 38
Molecules 1–4 are unbranched hydrocarbons. …
- Question 39
Which polymer contains only three different elements? A protein B poly(ethene) C poly(propene) D starch
- Question 40
Which statement about macromolecules is correct? A Nylon and Terylene are both polyesters. B Proteins and nylon have the same monomer units. C Proteins have the same amide linkages as nylon. D Terylene and fats are esters but with different …
Other Chemistry papers from May/June 2017
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