Cambridge O Level ยท 5070 ยท Paper 1 ยท Multiple choice
Chemistry 5070/11 May/June 2014 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 1, May/June 2014: 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_s14_qp_11 ยท 5070_s14_ms_11
Grade thresholds for 5070/11 May/June 2014
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 | 23 | 17 | 15 | 13 |
Topics in this paper
Which syllabus chapters 5070/11 May/June 2014 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Chemistry of the environment | 7 | โ |
| Electrochemistry | 6 | โ |
| Acids, bases and salts | 5 | โ |
| Atoms, elements and compounds | 4 | โ |
| The Periodic Table | 4 | โ |
| Stoichiometry | 4 | โ |
| Organic chemistry | 3 | โ |
| States of matter | 3 | โ |
| Chemical reactions | 2 | โ |
| Experimental techniques and chemical analysis | 1 | โ |
| Metals | 1 | โ |
Questions in 5070/11 May/June 2014
- Question 1
Which statement is not correct? A Air is a mixture. B Ammonia is a compound. C Methane is a compound. D Sea water is a compound.
- Question 2
A radioactive isotope of carbon has more nucleons than the non-radioactive isotope, โฆ
- Question 3
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? โฆ
- Question 4
The scheme shows a sequence of reactions starting from compound Y. compound Y excess HNO3(aq) + gas colourless solution white precipitate insoluble in excess NaOH(aq) NaOH(aq) What could the compound Y be? A aluminium sulfate B calcium carbonate C copper(II) โฆ
- Question 5
Which electronic configurations represent three metallic elements in the same period of the Periodic Table? element 1 element 2 element โฆ
- Question 6
Which molecule has the largest number of electrons involved in covalent bonds? โฆ
- Question 7
Graphite is often used as the electrodes in the electrolysis of solutions. graphite electrode electrolyte graphite electrode battery Which particles are involved in the conduction of electricity by graphite? A electrons only B negative ions only C positive ions and โฆ
- Question 8
Element X has a lattice of positive ions and a โsea of electronsโ. โฆ
- Question 9
An element, E, forms a hydride, E H4, which contains 90.0% by mass of E. If the relative atomic mass of hydrogen is 1, what is the relative atomic mass of โฆ
- Question 10
A piece of chalk has a mass of 23.0 g. Chalk is impure calcium carbonate. When analysed, the chalk is found to contain 0.226 moles of pure calcium carbonate. [Mr : CaCO3 , 100] What is the percentage purity of โฆ
- Question 11
Aqueous potassium iodide, KI(aq), can be used as a test reagent in redox reactions. Iodide ions are readily โฆ
- Question 12
Which element is most likely to be used as an industrial catalyst? A Na B Ni C Pb D Sr
- Question 13
Which solution containing one mole per dm3 of the compound would have the lowest pH? A ethanoic acid B hydrochloric acid C sodium chloride D sodium hydrogencarbonate
- Question 14
Which statement about oxides is correct? A A basic oxide is an oxide of a non-metal. B Acidic oxides contain ionic bonds. C An amphoteric oxide contains a metal. D Basic oxides are always gases.
- Question 15
Bitumen, diesel, naphtha and paraffin (kerosene) are all fractions obtained by the fractional distillation of petroleum. Which row gives a correct use for the named fraction? fraction use A bitumen a source of polish B diesel a fuel for aircraft โฆ
- Question 16
In which circuit does the bulb light? CuSO4(aq) Cu Cu NaCl (s) Ag Zn C2H5OH(l) Cu Zn H2SO4(aq) Ag Cu key = bulb โฆ
- Question 17
An element is in Period 3 and Group VII of the Periodic Table. Which statement about this element is correct? A The element will form 1+ ions. B The element will have 3 electrons in its outer shell. C The โฆ
- Question 18
The table contains information about the physical properties of the elements chlorine, copper and iron. element melting point / ยฐC boiling point / ยฐC chlorine โ101 W copper X 2582 iron 1539 Y In the table above, what are the โฆ
- Question 19
Petroleum is separated into fractions by fractional distillation. Which fraction distils off at the highest temperature? A diesel B paraffin (kerosene) C lubricating oils D petrol (gasoline)
- Question 20
Ammonia is made by a reversible reaction between nitrogen and hydrogen. โฆ
- Question 21
Aqueous copper(II) sulfate is electrolysed using copper electrodes. The current is constant and the anode (positive electrode) is weighed at regular intervals. Which graph is obtained when the mass of the anode is plotted against time? mass of anode time โฆ
- Question 22
In the extraction of aluminium by electrolysis, its oxide is dissolved in molten cryolite. Cryolite is a sodium salt. Aluminium is deposited at the 1 and it can be deduced that aluminium is 2 sodium in the reactivity series. Which โฆ
- Question 23
Which substance is not a raw material used in the manufacture of sulfuric acid? A air B sulfur C sulfur dioxide D water
- Question 24
A student mixed together aqueous solutions of Y and Z. A white precipitate formed. Which could not be Y and โฆ
- Question 25
Which property would all the hydrogen compounds of the Group VII elements possess? A be covalent B be solids at room temperature C form alkaline aqueous solutions D conduct electricity when molten
- Question 26
Which particle is found in iodine vapour? โฆ
- Question 27
What suggests that metal M is not in Group I of the Periodic Table? A M has a bright, silvery appearance and is a good conductor of electricity. B M is hard and difficult to cut. C M produces an โฆ
- Question 28
The diagram shows an outline of part of the Periodic Table. โฆ
- Question 29
Which of these processes can be used to purify water containing insoluble impurities? 1 chlorination 2 desalination 3 distillation 4 filtration A 1 and โฆ
- Question 30
Which metal can react rapidly with steam but reacts only very slowly with cold water? A calcium B copper C iron D potassium
- Question 31
A hydride is a compound containing only two elements, one of which is hydrogen. Which element can form the greatest number of different hydrides? A carbon B chlorine C nitrogen D oxygen
- Question 32
What is not essential for photosynthesis? A carbon dioxide B sugar C light D water
- Question 33
A liquid reacts with each of sodium carbonate, potassium hydroxide and ethanol. What is the liquid? A aqueous ammonia B ethanoic acid C ethyl ethanoate D sodium hydroxide
- Question 34
Which compound, on combustion, never forms carbon? A carbon monoxide B ethanol C ethene D methane
- Question 35
Which of the following is not a condensation polymer? A nylon B poly(ethene) C protein D Terylene
- Question 36
Which statement about the properties of propane and hexane is correct? A Propane has a higher boiling point than hexane. B Propane has a higher relative molecular mass than hexane. C Propane has more isomers than hexane. D Propane is โฆ
- Question 37
When a volcano erupts, which gas is produced in significant amounts? A carbon monoxide B methane C ozone D sulfur dioxide
- Question 38
- Question 39
Fats, carbohydrates and proteins all contain which chemical elements? A carbon, hydrogen and oxygen B carbon, hydrogen and nitrogen C carbon, hydrogen and sulfur D carbon, nitrogen and oxygen
- Question 40
The structural formulae of some organic compounds are shown below. โฆ
Other Chemistry papers from May/June 2014
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- 5070/22 Theory
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