Cambridge O Level ยท 5070 ยท Paper 1 ยท Multiple choice
Chemistry 5070/11 May/June 2016 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 1, May/June 2016: 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_s16_qp_11 ยท 5070_s16_ms_11
Grade thresholds for 5070/11 May/June 2016
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 | 18 | 15 | 13 |
Topics in this paper
Which syllabus chapters 5070/11 May/June 2016 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 9 | โ |
| Atoms, elements and compounds | 6 | โ |
| Chemistry of the environment | 5 | โ |
| Organic chemistry | 5 | โ |
| Electrochemistry | 3 | โ |
| Metals | 3 | โ |
| Experimental techniques and chemical analysis | 2 | โ |
| The Periodic Table | 2 | โ |
| Chemical reactions | 2 | โ |
| Stoichiometry | 2 | โ |
| Chemical energetics | 1 | โ |
Questions in 5070/11 May/June 2016
- Question 1
Which oxide is amphoteric? A Al 2O3 B CO2 C Na2O D SO2
- Question 2
Four gas jars each contain one of the gases ammonia, chlorine, hydrogen chloride and oxygen. A strip of damp blue litmus paper and a strip of damp red litmus paper are placed in each jar. In which gas jar will โฆ
- Question 3
How can a pure sample of barium sulfate be obtained from barium carbonate? A Dissolve it in dilute hydrochloric acid, add dilute sulfuric acid, filter and crystallise. B Dissolve it in dilute hydrochloric acid, add dilute sulfuric acid, filter and โฆ
- Question 4
Which statement is not correct? A Energy is released when a liquid changes into a solid. B Particles move faster in the gaseous state than in the liquid state. C The carbon atoms in gaseous methane are further apart than โฆ
- Question 5
The symbols for two ions are shown. โฆ
- Question 6
Which dot-and-cross diagram, showing all the outer shell electrons of each atom, is not correct? โฆ
- Question 7
Which statement shows that graphite and diamond are different forms of the element carbon? A Both graphite and diamond have giant molecular structures. B Complete combustion of equal masses of graphite and diamond produces equal masses of carbon dioxide and โฆ
- Question 8
In order to form a compound with oxygen, an atom of a Group II element must A transfer two electrons to an atom of oxygen. B receive two electrons from an atom of oxygen. C share two electrons with an โฆ
- Question 9
Copper wire is used to complete an electrical circuit. copper wire lamp What happens in the copper wire? A Electrons move along the wire to the negative terminal. Positive ions stay in position. B Electrons move along the wire to โฆ
- Question 10
Which uses for sulfuric acid are correct? 1 as a bleach in the manufacture of wood pulp for paper 2 as a food preservative in tinned foods 3 as a raw material in the manufacture of detergents 4 as a โฆ
- Question 11
Group I metals form compounds with Group VII halogens. The compounds formed are 1 in water and contain 2 bonds. Which words correctly complete gaps 1 and โฆ
- Question 12
Compound P is the only substance formed when two volumes of ammonia gas react with one volume of carbon dioxide gas (both volumes being measured at r.t.p.). What is the formula of P? A NH2CO2NH4 B (NH2)2CO C NH4CO2NH4 D โฆ
- Question 13
Two isotopes of chlorine are 35Cl and 37Cl . Using these isotopes, how many different relative molecular masses are possible for the compound with molecular formula C2H3Cl โฆ
- Question 14
Gases can diffuse through porous pots. The diagram shows a beaker full of nitrogen inverted over a porous pot containing carbon monoxide. beaker carbon monoxide porous pot nitrogen water The water level does not move. Which statement explains this? A โฆ
- Question 15
Aqueous copper(II) sulfate is electrolysed using carbon electrodes. Which observations will be made? at the positive electrode electrolyte at the negative electrode A colourless gas forms blue colour fades pink solid forms B colourless gas forms no change colourless gas โฆ
- Question 16
Which ion is not present in dilute sulfuric acid? โฆ
- Question 17
The diagram shows an energy profile diagram for a chemical reaction, both with and without a catalyst. Which energy change is the activation energy for the catalysed reaction? products reactants โฆ
- Question 18
Which equation does not represent a redox reaction? A 2NH3 + H2SO4 โ (NH4)2SO4 B 2SO2 โฆ
- Question 19
The diagram shows the apparatus used to measure the rate of the reaction between calcium carbonate and dilute hydrochloric acid. The mass of the flask and the contents is measured at regular intervals of time. dilute hydrochloric acid calcium carbonate โฆ
- Question 20
Which row correctly compares high carbon steels and low carbon steels? high carbon steels low carbon steels A stronger more brittle B stronger more easily shaped C weaker more brittle D weaker more easily shaped
- Question 21
Which process does not involve the use of a catalyst? A the extraction of iron from haematite in a blast furnace B the manufacture of sulfur trioxide C the production of ammonia from nitrogen and hydrogen D the redox reactions โฆ
- Question 22
Gaseous compound X is an oxidising agent. X is bubbled through separate solutions of aqueous potassium iodide and acidified potassium manganate(VII). X aqueous potassium iodide X acidified potassium manganate(VII) Which row shows the colour changes when X is bubbled through โฆ
- Question 23
Which metal oxide will be reduced by heating with iron? A calcium oxide B lead oxide C magnesium oxide D zinc oxide
- Question 24
Which pair of substances can be used to prepare a sample of lead(II) chloride when added to water and mixed? A lead and sodium chloride B lead(II) nitrate and sodium chloride C lead(II) carbonate and sodium chloride D lead and โฆ
- Question 25
The pH of an aqueous solution of hydrochloric acid is 2. What will be the pH of the acid after the addition of 10 g of sodium chloride? โฆ
- Question 26
Which statement about the elements in the Periodic Table is correct? A All the elements in the same group of the Periodic Table have the same reactivity. B All the elements with four electrons in their outer shells are metals. โฆ
- Question 27
Iron is extracted from haematite in the blast furnace. waste gases air raw materials molten iron Which other raw material is added in this extraction? A bauxite B cryolite C limestone D slag
- Question 28
The diagram shows a flow chart for the manufacture of fertiliser. cracking of hydrocarbons fractional distillation of air gas X gas W pressure Y and 450 ยฐC product Z fertiliser In the flow chart, what are โฆ
- Question 29
The table gives the melting points, densities and electrical conductivities of four elements. Which element is copper? melting point in ยฐC density in g / cm3 electrical conductivity โฆ
- Question 30
Which gases are all present at the positive electrode during the manufacture of aluminium? A CO, H2, CO2 B CO, SO2, โฆ
- Question 31
The diagram shows the structure of brass. zinc atom copper atom Why is brass harder than pure copper? A The zinc atoms form strong covalent bonds with copper atoms. B The zinc atoms prevent layers of copper atoms from sliding โฆ
- Question 32
Which pollutant causes eutrophication in rivers? A acid rain B carbon monoxide C fertiliser D metal compounds
- Question 33
How many moles of hydrogen chloride are formed when one mole of methane reacts with a large excess of chlorine in sunlight? โฆ
- Question 34
Which statements about alcohols are correct? 1 All alcohols contain the hydroxide ion, OHโ. 2 Ethanol can be formed from ethene using a reaction catalysed by yeast. 3 Methanol can be oxidised to methanoic acid. 4 The alcohols X and โฆ
- Question 35
Amino acids are essential building blocks in the human body. Macromolecules in food are hydrolysed to form amino acids. Which macromolecules provide the body with amino acids? A carbohydrates B fats C proteins D sugars
- Question 36
Ethanol, C2H6O, was reacted with propanoic acid, C3H6O2, in the presence of concentrated sulfuric acid. Which statement about the organic product of this reaction is correct? A It has the formula C5H10O2. B It has the formula C5H12O3. C It โฆ
- Question 37
How can alkenes be manufactured? A by polymerisation reactions B by the addition of hydrogen to unsaturated vegetable oils C by the combustion of alkanes D by the cracking of hydrocarbons
- Question 38
Which statement about alkanes is correct? A Ethane reacts with chlorine in an addition reaction. B Propane has a higher boiling point than butane. C The molecule of the alkane that contains 99 carbon atoms has 200 hydrogen atoms. D โฆ
- Question 39
Which statement about ethanoic acid is correct? A Ethanoic acid can be made by the catalysed addition of steam to ethene. B Propanoic acid can react with ethanoic acid to produce an ester. C Solutions of 1.0 mol / dm3 โฆ
- Question 40
Polymer Z has the structure shown. โฆ
Other Chemistry papers from May/June 2016
- 5070/12 Multiple choice
- 5070/21 Theory
- 5070/22 Theory
- 5070/41 Alternative to Practical
- 5070/42 Alternative to Practical