Cambridge O Level · 5070 · Paper 1 · Multiple choice
Chemistry 5070/11 Oct/Nov 2012 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 1, Oct/Nov 2012: the question paper and its official mark scheme, 40 questions. Free to open, no account needed.
- Questions
- 40
- Marks
- –
File names: 5070_w12_qp_11 · 5070_w12_ms_11
Topics in this paper
Which syllabus chapters 5070/11 Oct/Nov 2012 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 5070/11 Oct/Nov 2012
- Question 1
It is suspected that a lollipop contains traces of a poisonous green dye (boiling point 73 °C) as well as two harmless orange and red dyes (boiling points 69 °C and 73 °C respectively). What is the best method by …
- Question 2
Element X does not conduct electricity and has a low melting point. Which could be element X? A carbon (graphite) B iodine C mercury D sodium
- Question 3
Substance Q is a soluble salt. An aqueous solution of Q is tested as shown. test observation warm Q with aqueous sodium hydroxide alkaline gas given off, no precipitate formed to Q add dilute nitric acid and barium nitrate solution …
- Question 4
Which statement explains why the gases propane, C3H8, and carbon dioxide, CO2, diffuse at the same rate at room temperature and pressure? A Both are denser than air. B Both compounds contain carbon. C Both molecules contain covalent bonds. D …
- Question 5
Hydrogen chloride is very soluble in water, whereas chlorine is only slightly soluble in water. Both gases can be dried using concentrated sulfuric acid. Which diagram represents the correct method of obtaining pure dry chlorine from damp chlorine containing a …
- Question 6
Which of the following is not a mixture? A ethanol B petrol C steel D tap water
- Question 7
The table gives the arrangements of electrons in the atoms of four different elements. Which element does not form an ionic compound with chlorine? arrangement of electrons …
- Question 8
A compound Y is the only substance formed when two volumes of dry ammonia gas react with one volume of dry carbon dioxide (both volumes measured at s.t.p.). What is the most likely formula of Y? A (NH4)2CO3 B NH2COONH4 …
- Question 9
For which compound is the type of bonding correct? compound bonding A ammonia ionic B carbon dioxide covalent C sodium chloride covalent D water ionic
- Question 10
Why do graphite and diamond have different physical properties? A Diamond has a giant molecular structure but graphite has not. B Diamond occurs naturally but graphite is made artificially. C Graphite is ionic whereas diamond is covalent. D They contain …
- Question 11
Which statement about the particles O2–, F–, Ne, Na+ and Mg2+ is true? They all A contain more electrons than protons. B contain more neutrons than protons. C contain the same number of electrons. D contain the same number of …
- Question 12
The Mr of oxygen, O2, is 32 and the Mr of sulfur is 256. What is the formula of a molecule of sulfur? …
- Question 13
In the experiment shown in the diagram, the bulb lights and a gas is produced at each electrode. bulb +ve –ve X inert electrodes What is X? A aqueous copper(II) sulfate B concentrated aqueous sodium chloride C ethanol D molten …
- Question 14
Which element in the table is an alkali metal? melting point °C density g / cm3 …
- Question 15
The diagram shows the steps by which carbon dioxide can be converted into organic products and finally returned to the atmosphere. Which step is endothermic? CO2 C6H12O6 C2H5OH CH3CO2H …
- Question 16
Which industrial reaction does not involve a catalyst? A the cracking of hydrocarbons B the extraction of iron from haematite in a blast furnace C the production of ammonia from nitrogen and hydrogen D the redox reaction involving the removal …
- Question 17
Salts containing which of the following anions are always soluble in water? A carbonates B chlorides C nitrates D sulfates
- Question 18
What is a property of the hydroxide, OH–, ion? A It combines with hydrogen to form water. B It is present in water. C It readily breaks down into hydrogen ions and oxide ions. D It travels to the cathode …
- Question 19
Which method of preparation of magnesium sulfate is an example of a redox reaction? A Mg + H2SO4 → MgSO4 …
- Question 20
The diagram shows some reactions of copper compounds. Which change is made by adding an acid? copper(II) sulfate CuSO4 copper(II) oxide CuO malachite CuCO3 copper Cu …
- Question 21
Which process is a renewable energy source? A combustion of coal B electrolysis of aluminium oxide C fractional distillation of petroleum D photosynthesis
- Question 22
An element X forms an ion X3–. In which group of the Periodic Table will this element be found? A Group I B Group III C Group V D Group VII
- Question 23
Which two gases do not damage limestone buildings? A nitrogen and carbon monoxide B nitrogen dioxide and carbon monoxide C nitrogen dioxide and carbon dioxide D sulfur dioxide and carbon dioxide
- Question 24
A metal, X, has a low melting point, reacts with water, forms only one oxide and is extracted from its ore by electrolysis. What is the identity of X? A aluminium B copper C iron D sodium
- Question 25
Metallic objects may be decorated by having very thin layers of gold applied to them. Which properties of gold make it suitable for this use? it conducts electricity it is malleable it is unreactive …
- Question 26
Iron pipes corrode rapidly when exposed to sea water. Which metal, when attached to the iron, would not offer protection against corrosion? A aluminium B copper C magnesium D zinc
- Question 27
Metal M will displace copper from aqueous copper(II) sulfate solution, but will not displace iron from aqueous iron(II) sulfate solution. M is extracted from its oxide by heating the oxide with carbon. What is the order of reactivity of these …
- Question 28
Which gas can be removed from the exhaust gases of a petrol-powered car by its catalytic converter? A carbon monoxide B carbon dioxide C nitrogen D steam
- Question 29
What is the function of silica, SiO2, in the equation shown below? CaO + SiO2 → CaSiO3 A a basic oxide B a reducing agent C an acidic oxide D an oxidising agent
- Question 30
A mixture of two gases has no effect on either damp blue litmus paper or damp red litmus paper. Which gases are present in the mixture? A ammonia and oxygen B carbon dioxide and sulfur dioxide C chlorine and hydrogen …
- Question 31
Which contains the greatest mass of nitrogen? A 0.5 moles (NH4)2SO4 B 1 mole NH4NO3 C 1.5 moles (NH4)3PO4 D 2 moles CO(NH2)2
- Question 32
The diagram shows some of the uses of sulfur dioxide. sulfur dioxide 1 as a food preservative 4 in batteries 2 purification of water for drinking 3 manufacture of wood pulp Which two of the numbered boxes are correct? A …
- Question 33
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 …
- Question 34
Which row shows both the correct source and the correct effect of the named pollutant? pollutant source effect A carbon monoxide incomplete combustion of carbon-containing materials global warming B oxides of nitrogen decaying vegetable matter global warming C ozone photochemical …
- Question 35
The diagram shows two compounds. …
- Question 36
Which statement concerning isomers is true? A Diamond and graphite are isomers of each other. B Isomers have the general formula CnH2n+2. C Isomers have the same molecular formula. D Macromolecules are isomers of the small molecules from which they …
- Question 37
Which compound will react with ethanol to form an ester? …
- Question 38
In the purification of water, what is the purpose of carbon? A to desalinate B to disinfect C to remove odours D to remove solids
- Question 39
Four conversions are listed. 1 amino acids to proteins 2 ethene to poly(ethene) 3 proteins to amino acids 4 starch to glucose Which two conversions are not examples of hydrolysis? A 1 and …
- Question 40
What is the name of the ester CH3COOC2H5? A ethyl ethanoate B ethyl methanoate C methyl ethanoate D methyl methanoate Group 140 Ce Cerium 58 141 Pr Praseodymium 59 144 Nd Neodymium 60 Pm Promethium 61 150 Sm Samarium 62 …
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