Cambridge O Level ยท 5070 ยท Paper 1 ยท Multiple choice
Chemistry 5070/11 May/June 2017 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 1, 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
- 30
File names: 5070_s17_qp_11 ยท 5070_s17_ms_11
Grade thresholds for 5070/11 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 |
|---|---|---|---|---|
| 30 | 24 | 18 | 15 | 12 |
Topics in this paper
Which syllabus chapters 5070/11 May/June 2017 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Organic chemistry | 6 | โ |
| Acids, bases and salts | 5 | โ |
| Chemical reactions | 4 | โ |
| Atoms, elements and compounds | 4 | โ |
| Chemistry of the environment | 4 | โ |
| Stoichiometry | 4 | โ |
| Electrochemistry | 4 | โ |
| Metals | 4 | โ |
| Experimental techniques and chemical analysis | 2 | โ |
| Chemical energetics | 2 | โ |
| The Periodic Table | 1 | โ |
Questions in 5070/11 May/June 2017
- Question 1
Gas X has the following properties. 1 colourless 2 no effect on either red or blue litmus papers 3 no effect on limewater 4 flammable What is gas X? A ammonia B chlorine C hydrogen D oxygen
- Question 2
A gas is evolved during a reaction. Which two pieces of apparatus would enable the rate of this reaction to be measured? A balance and pipette B gas syringe and thermometer C stopclock and gas syringe D stopclock and pipette
- Question 3
Which statement about pure hexane, C6H14, is correct? A It boils over a range of temperatures. B It burns in excess oxygen to form carbon monoxide and water only. C It mixes with water. D It melts at a fixed โฆ
- Question 4
Which statement about the particles โฆ
- Question 5
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 โฆ
- Question 6
How many of the molecules shown contain only one covalent bond? Cl 2 H2 HCl โฆ
- Question 7
Which substance has a giant covalent structure and contains atoms of more than one element? A diamond B graphite C methane D sand
- Question 8
Which statement correctly explains why chlorine, Cl 2, at 40 ยฐC diffuses more slowly than neon, Ne, at โฆ
- Question 9
Metals conduct electricity. The movement of which particles is responsible for this conductivity? A anions B cations C electrons D protons
- Question 10
Which substance, when molten, conducts electricity? A bitumen B caesium iodide C diamond D sand
- Question 11
A compound contains 70% by mass of iron and 30% by mass of oxygen. What is its empirical formula? [Ar: O, 16; Fe, 56] A FeO B Fe2O3 C Fe3O2 D Fe3O4
- Question 12
The formula for hydrated copper(II) nitrate is Cu(NO3)2.xH2O. It contains 36.5% water of crystallisation by mass. What is the value of x? [Ar: โฆ
- Question 13
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 โฆ
- Question 14
Concentrated aqueous calcium iodide undergoes electrolysis in a similar way to concentrated aqueous sodium chloride. negative electrode graphite positive electrode concentrated aqueous calcium iodide + โ What would be formed at each electrode? product at positive electrode product at negative โฆ
- Question 15
Aluminium is obtained by the electrolysis of molten aluminium oxide. waste gases electrode electrodes purified aluminium oxide dissolved in molten cryolite molten aluminium Which row shows the electrode at which aluminium is formed and the correct equation for its formation? โฆ
- Question 16
The energy profile diagram for the forward direction of a reversible reaction is shown. energy progress of reaction โH activation energy For the reverse reaction, which row correctly shows the sign of the activation energy and the type of enthalpy โฆ
- Question 17
The formation of liquid water from hydrogen and oxygen may occur in three stages. โฆ
- Question 18
The equation shows the formation of sulfur trioxide in the contact process. 2SO2(g) + O2(g) 2SO3(g) โฆ
- Question 19
Magnesium carbonate reacts with dilute hydrochloric acid to form magnesium chloride, carbon dioxide and water. MgCO3(s) + 2HCl (aq) โ MgCl 2(aq) + CO2(g) + H2O(l) The rate of the reaction is found by reacting the magnesium carbonate and dilute โฆ
- Question 20
At the start of a reaction, a 1.00 dm3 solution contains 0.300 mol of ethanol. After 100 seconds the concentration of the ethanol has decreased to 0.296 mol / dm3. What is the rate of reaction over the first 100 โฆ
- Question 21
Which statement about sulfuric acid is correct? Sulfuric acid is used A as a bleach. B in food preservation. C in the manufacture of detergents. D in the purification of drinking water.
- Question 22
Which row shows the order of increasing pH (lowest to highest) for strong acids, strong bases, weak acids and weak bases at the same concentration? pH A strong acids weak acids weak bases strong bases B strong bases weak bases โฆ
- Question 23
The table shows the proton numbers of four elements. element โฆ
- Question 24
The diagram shows part of the Periodic Table. โฆ
- Question 25
Lead(II) sulfate can be made by reacting dilute sulfuric acid with which substance? A aqueous lead(II) nitrate B lead C lead(II) carbonate D lead(II) oxide
- Question 26
Which pair gives two uses of argon? A disinfecting water and in balloons B disinfecting water and in light bulbs C in balloons and in the manufacture of steel D in light bulbs and in the manufacture of steel
- Question 27
Which two substances are removed from the bottom of a blast furnace? 1 coke 2 iron 3 limestone 4 slag A 1 and โฆ
- Question 28
Which row has the correct catalyst for the named process? process catalyst A contact process vanadium(V) oxide B Haber process manganese(IV) oxide C hydrogenation of alkenes iron D photosynthesis glucose
- Question 29
Some metals and the compounds in their ores are shown. metal Al Ca Pb Na Fe Mg compound in their ore Al 2O3 CaCO3 PbS NaCl Fe2O3 MgCO3 Which type of reaction occurs in the extraction of each of these โฆ
- Question 30
After the collapse of a river bridge, a new car was immersed in the river water for several months. When it was recovered, the parts of the car made of steel, an alloy of iron, were found to be corroded. โฆ
- Question 31
A farmer spread ammonium nitrate, a nitrogenous fertiliser, on a field. The next day he spread calcium hydroxide on the same field. This caused a loss of nitrogen from the ammonium nitrate. Which chemical reaction occurred? A The calcium ions โฆ
- Question 32
Which row correctly compares carbon dioxide and methane? both contain carbon both are described as a greenhouse gas both lower the pH of water when they dissolve in it โฆ
- Question 33
Fossil fuels are used to power some internal combustion engines. Which pollutants are produced by an internal combustion engine burning fossil fuels? 1 carbon monoxide 2 nitrogen oxides 3 sulfur dioxide โฆ
- Question 34
An ester is produced by reacting together the carboxylic acid HCO2H and the alcohol CH3CH2CH2OH. What is the name and structure of this ester? name structure A methyl propanoate CH3CH2CO2CH3 B methyl propanoate HCO2CH2CH2CH3 C propyl methanoate CH3CH2CO2CH3 D propyl โฆ
- Question 35
The repeat unit of a polymer is shown. CH3 Cl Br โฆ
- Question 36
Each of compounds W, X, Y and Z is either an unbranched alkane or an unbranched alkene. โฆ
- Question 37
One mole of each alkane undergoes complete combustion. Which alkane will produce seven moles of products? A CH4 โฆ
- Question 38
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 โฆ
- Question 39
An organic compound, X, has a molecular formula C4H8O2 and turns damp, blue litmus paper red. What is the structure of โฆ
- Question 40
Which polymer contains only three different elements? A protein B poly(ethene) C poly(propene) D starch Group The Periodic Table of Elements 1 H hydrogen 1 2 He helium 4 I II III IV V VI VII VIII 3 Li lithium โฆ
Other Chemistry papers from May/June 2017
- 5070/12 Multiple choice
- 5070/21 Theory
- 5070/22 Theory
- 5070/41 Alternative to Practical
- 5070/42 Alternative to Practical