Cambridge O Level · 5070 · Paper 1 · Multiple choice
Chemistry 5070/13 Oct/Nov 2010 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 3, Oct/Nov 2010: the question paper, 40 questions. Free to open, no account needed.
- Questions
- 40
- Marks
- –
File names: 5070_w10_qp_13
Topics in this paper
Which syllabus chapters 5070/13 Oct/Nov 2010 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 5070/13 Oct/Nov 2010
- Question 1
The boiling points of various gases found in the air are shown below. °C argon –186 carbon dioxide –78 nitrogen –198 oxygen –183 If the air is cooled, the first substance to condense is water. If the temperature is lowered …
- Question 2
Substance X dissolves in water to form a colourless solution. This solution reacts with aqueous lead(II) nitrate in the presence of dilute nitric acid to give a yellow precipitate. What is substance X? A calcium iodide B copper(II) chloride C …
- Question 3
The fractional distillation apparatus shown is to be used for separating a mixture of two colourless liquids. A thermometer is missing from the apparatus. Where should the bulb of the thermometer be placed? heat cold water in water out …
- Question 4
The diagram shows a diffusion experiment. beaker oxygen porous pot water Y Which gas, when present in the beaker over the porous pot, will cause the water level at Y to rise? A carbon dioxide, CO2 B chlorine, Cl 2 …
- Question 5
Hydrogen can form both H+ ions and H– ions. Which one of the statements below is correct? A An H+ ion has more protons than an H– ion. B An H+ ion has no electrons. C An H– ion has …
- Question 6
The diagram shows apparatus used to obtain carbon monoxide. heat Y water lumps of charcoal calcium carbonate dilute hydrochloric acid carbon monoxide What is the main purpose of Y? A to dry the gas B to prevent water being sucked …
- Question 7
A dark, shiny solid, X, conducts electricity. Oxygen combines with X to form a gaseous oxide. What is X? A graphite B iodine C iron D lead
- Question 8
Which substance could be sodium chloride? conduction of electricity melting point / °C when liquid in aqueous solution A –114 nil good B 180 nil nil (insoluble) C 808 good good D 3550 nil nil (insoluble)
- Question 9
The diagram shows the molecule ethyl propanoate. …
- Question 10
The conduction of electricity by metals is carried out by the movement of A electrons only. B electrons and positive ions. C negative ions only. D negative ions and positive ions.
- Question 11
What is the concentration of iodine molecules, I2, in a solution containing 2.54 g of iodine in 250 cm3 of solution? A 0.01 mol / dm3 B 0.02 mol / dm3 C 0.04 mol / dm3 D 0.08 mol / …
- Question 12
The energy profile for the forward direction of a reversible reaction is shown. energy progress of reaction ∆H activation energy Which row correctly shows the sign of both the activation energy and the type of the enthalpy change for the …
- Question 13
The diagram shows the results of an electrolysis experiment using inert electrodes. liquid …
- Question 14
In which reaction is nitric acid acting as an oxidising agent? A Cu + 4HNO3 → Cu(NO3)2 …
- Question 15
The equation shows the formation of sulfur trioxide in the Contact process. 2SO2(g) + O2(g) 2SO3(g) …
- Question 16
Which graph represents how the rate of reaction varies with time when an excess of calcium carbonate reacts with dilute hydrochloric acid? …
- Question 17
The tests below were carried out on a solution containing ions of the metal X. test observation add sodium chloride solution no change add sodium sulfate solution no change add sodium hydroxide solution a precipitate was formed, soluble in excess …
- Question 18
A student mixed together aqueous solutions of Y and Z. A white precipitate formed. Which could not be solutions Y and Z? solution Y solution Z A hydrochloric acid silver nitrate B hydrochloric acid sodium nitrate C sodium chloride lead(II) …
- Question 19
Sulfur is burnt in air. Which statement about this reaction is correct? A Sulfur is oxidised to sulfur trioxide. B The gas formed turns aqueous potassium dichromate(VI) from orange to green. C The reaction is reversible. D The reaction needs …
- Question 20
Which property is common to calcium, potassium and sodium? A Their atoms all lose two electrons when they form ions. B They all form carbonates which are insoluble in water. C They are all less dense than water. D They …
- Question 21
Which set of the electronic structures are only found in metals? …
- Question 22
The diagram shows processes that take place in the manufacture of ammonia. substance W substance X hydrogen nitrogen ammonia cracking fractional distillation catalyst Y What are substances W and X and catalyst …
- Question 23
The position of metal M in the reactivity series is shown. decrease in reactivity K, Na, M, Al, Zn, Fe, Pb, Cu, Ag Which method will be used to extract M from its ore? A electrolysis of its aqueous sulfate …
- Question 24
When zinc is added to a solution of a metal sulfate, the metal is deposited and zinc ions are produced in solution. Which metal is deposited? A calcium B copper C magnesium D potassium
- Question 25
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 slipping …
- Question 26
Using the apparatus shown, chlorine is passed through the tube. chlorine gentle heat …
- Question 27
In the electrolysis of molten aluminium oxide for the extraction of aluminium, the following three reactions take place. 1 Al …
- Question 28
Which equation in the blast furnace extraction of iron is not a redox reaction? A CaCO3 → CaO + CO2 …
- Question 29
Which statement about the material used for aircraft bodies is correct? Aircraft bodies are made from A an aluminium alloy because pure aluminium is too soft. B pure aluminium because of its high melting point. C pure aluminium because of …
- Question 30
Which natural process can cause nitrogen oxides to be formed in the atmosphere? A bacterial decay of plants B lightning activity C photosynthesis D respiration
- Question 31
Which type of water in the left hand column is linked correctly to a statement in the right hand column? distilled water drinking water river water sea water may contain fertilisers washed off from the fields contains no dissolved substances …
- Question 32
A catalytic converter in a car exhaust system speeds up the change of pollutants into less harmful products. Which change does not occur in a catalytic converter? A carbon dioxide → carbon B carbon monoxide → carbon dioxide C nitrogen …
- Question 33
Which formula represents a compound likely to undergo addition polymerisation? …
- Question 34
Which statement about ethanol is correct? A It is an unsaturated compound. B It is formed by the catalytic addition of steam to ethene. C It is formed by the oxidation of ethanoic acid. D It reacts with ethyl ethanoate …
- Question 35
An organic compound has an empirical formula C2H4O. What is the compound? A butanoic acid B butanol C ethanoic acid D ethanol
- Question 36
- Question 37
The diagrams show two organic compounds. …
- Question 38
Polymer X has the structure shown. …
- Question 39
In which reaction is water produced? A manufacture of ethanol from ethene B manufacture of margarine from vegetable oils C manufacture of poly(ethene) from ethene D manufacture of Terylene from a carboxylic acid and an alcohol
- Question 40
The results of tests on compound Z are shown. test result add bromine water turns colourless add aqueous sodium carbonate carbon dioxide formed What is compound …
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