Cambridge O Level · 5070 · Paper 1 · Multiple choice
Chemistry 5070/11 Oct/Nov 2017 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 1, Oct/Nov 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
- 29
File names: 5070_w17_qp_11 · 5070_w17_ms_11
Grade thresholds for 5070/11 Oct/Nov 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 |
|---|---|---|---|---|
| 29 | 23 | 17 | 15 | 14 |
Topics in this paper
Which syllabus chapters 5070/11 Oct/Nov 2017 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 5070/11 Oct/Nov 2017
- Question 1
A purple pill is placed in a beaker of water. The beaker is left for several hours. The diagram shows the appearance of the water when the pill is added and several hours later. water several hours purple pill pale …
- Question 2
The results of two tests on solution X are shown. reagent added observation on adding a few drops of reagent observation on adding an excess of reagent aqueous sodium hydroxide white precipitate precipitate dissolves aqueous ammonia white precipitate precipitate remains …
- Question 3
Which diagram shows the arrangement of particles inside a balloon containing a mixture of the gases nitrogen and oxygen? …
- Question 4
A student follows the rate of the reaction between marble chips, CaCO3, and dilute hydrochloric acid. CaCO3 + 2HCl → CaCl 2 + CO2 + H2O Which diagrams show apparatus that is suitable for this experiment? measuring cylinder hydrochloric acid …
- Question 5
Equal masses of methane gas are stored under different conditions. Under which set of conditions does the methane gas occupy the smallest volume? …
- Question 6
A particle of an isotope of sulfur contains 18 neutrons and 18 electrons. What is the symbol for this particle? …
- Question 7
When two elements react together, a compound is formed. Which statement is correct? A Equal masses of the elements must be used. B The compound shows similar chemical properties to those of the elements. C The elements must both be …
- Question 8
Which statement is correct for all ionic compounds? A They dissolve in water. B They are formed when metals share electrons with non-metals. C They conduct electricity in the molten state. D They conduct electricity in the solid state.
- Question 9
When a piece of sodium is heated in air, it reacts with oxygen to form the ionic compound sodium oxide, Na2O. In terms of electrons, which statement correctly explains what happens when sodium reacts with oxygen? A An oxygen atom …
- Question 10
The relative atomic mass of chlorine is 35.5. What is the mass of 2 moles of chlorine gas? …
- Question 11
The empirical formula of a liquid compound is C2H4O. To find the empirical formula, it is necessary to know A the density of the compound. B the percentage composition by mass of the compound. C the relative molecular mass of …
- Question 12
25.0 g of hydrated copper(II) sulfate crystals are heated to produce anhydrous copper(II) sulfate and water vapour. CuSO4.5H2O(s) → CuSO4(s) + 5H2O(g) What is the mass of anhydrous copper(II) sulfate formed? [Mr: CuSO4, …
- Question 13
One mole of an organic compound, Q, is completely burnt in oxygen and produces exactly three moles of water. Which compound is Q? A butane, C4H10 B ethanol, C2H5OH C propane, C3H8 D propanol, C3H7OH
- Question 14
Aluminium is produced by the electrolysis of molten aluminium oxide. What is the correct equation for the reaction at the positive electrode? A Al → Al …
- Question 15
When aqueous copper(II) sulfate is electrolysed using copper electrodes, which observations are correct? positive electrode negative electrode intensity of blue colour of electrolyte A electrode becomes smaller electrode becomes bigger constant B electrode becomes smaller gas given off fades C …
- Question 16
Three different solutions were electrolysed using inert electrodes. solution 1 aqueous sodium chloride solution 2 concentrated hydrochloric acid solution 3 dilute sulfuric acid Which solutions produce hydrogen at the negative electrode? …
- Question 17
Under certain conditions nitrogen reacts with oxygen to form …
- Question 18
The formation of liquid water from hydrogen and oxygen may occur in three stages. …
- Question 19
Sulfur trioxide is produced by the following reaction. 2SO2(g) + O2(g) 2SO3(g) …
- Question 20
A chemist investigated the rate of the reaction between ethene and hydrogen using a nickel catalyst. Ni …
- Question 21
Which change always occurs when a metal atom is oxidised? A It becomes positively charged. B It combines with oxygen. C It gains an electron. D It gains a proton.
- Question 22
Which statement is correct? A Ammonia is produced when an ammonium salt is warmed with a dilute acid. B Amphoteric oxides are oxides of certain metals. C A neutral solution does not contain hydroxide ions. D Soil with a high …
- Question 23
Which reagent can be used to react with dilute hydrochloric acid to prepare silver chloride? A aqueous silver nitrate B solid silver C solid silver carbonate D solid silver oxide
- Question 24
The table shows some symbols and their meanings. symbol meaning → reaction goes to completion reaction is reversible cat catalyst required for reaction cat no catalyst is required for reaction Which symbols should be used in the equation for the …
- Question 25
Nitrogenous fertilisers can cause eutrophication to occur in rivers. Eutrophication involves the five stages listed. 1 The fertiliser is washed into the river. 2 Oxygen levels become depleted in the river. 3 Plants die. 4 Plants begin to decay. 5 …
- Question 26
Three suggested uses of sulfuric acid are listed. 1 as battery acid 2 to make ammonia from ammonium salts 3 to make fertilisers Which are correct uses of sulfuric acid? …
- Question 27
The total number of electrons in one atom of element Q is 17 and in one atom of element R is 19. Which statement about elements Q and R is correct? A Q and R react together to form a …
- Question 28
Which row shows the correct catalyst for each industrial process? manufacture of sulfuric acid manufacture of ammonia manufacture of margarine A nickel iron vanadium(V) oxide B nickel vanadium(V) oxide iron C vanadium(V) oxide iron nickel D vanadium(V) oxide nickel iron
- Question 29
Which metal is attached to underground pipes made of iron, to provide sacrificial protection from corrosion? A Ag B Cu C Mg D Pb
- Question 30
The diagram shows a circuit used to test the electrical conductivity of strips of solid materials. If the material conducts, the bulb lights. Strips of brass, nylon and zinc are each tested separately by connecting them into the circuit. strip …
- Question 31
Octane, C8H18, is a hydrocarbon that undergoes combustion in a petrol engine. …
- Question 32
The diagram shows part of the carbon cycle. carbon dioxide in the air tree power station using wood chips as fuel giraffe …
- Question 33
CFC compounds were used as aerosol propellants. The structure of one CFC compound is shown. …
- Question 34
What is removed or destroyed when water is desalinated to make it drinkable? A bad odours B harmful bacteria C sodium chloride D solid particles
- Question 35
Compounds S and T both contain two elements only. The compounds have the following properties. ● They both burn in air to form carbon dioxide and water only. ● They both react with chlorine by substitution. ● S has a …
- Question 36
Which row correctly describes alkenes? general formula result when shaken with aqueous bromine A CnH2n+2 no change B CnH2n+2 the aqueous bromine is decolourised C CnH2n no change D CnH2n the aqueous bromine is decolourised
- Question 37
The table contains statements about processes by which ethanol is produced on a large scale from ethene and from glucose. from ethene from glucose 1 reaction is faster at 300 °C than at 200 °C reaction is faster at 100 …
- Question 38
The structure of an ester is shown. …
- Question 39
Which compound has a pH of less than 7 in aqueous solution? …
- Question 40
The diagram shows the repeat unit of a polymer. …
Other Chemistry papers from Oct/Nov 2017
- 5070/12 Multiple choice
- 5070/21 Theory
- 5070/22 Theory
- 5070/41 Alternative to Practical
- 5070/42 Alternative to Practical