Cambridge O Level · 5070 · Paper 1 · Multiple choice
Chemistry 5070/12 May/June 2013 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 2, May/June 2013: the question paper and its official mark scheme, 40 questions. Free to open, no account needed.
- Questions
- 40
- Marks
- –
File names: 5070_s13_qp_12 · 5070_s13_ms_12
Topics in this paper
Which syllabus chapters 5070/12 May/June 2013 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 5070/12 May/June 2013
- Question 1
Which mixture could best be separated by using a separating funnel? A oil and sand B oil and water C sodium chloride and sand D sodium chloride and water
- Question 2
Which process involves boiling a liquid and condensing the vapour? A crystallisation B distillation C evaporation D filtration
- Question 3
Which compound, when mixed with aqueous barium nitrate, does not form a white precipitate? A ammonium carbonate B dilute sulfuric acid C silver nitrate D sodium carbonate
- Question 4
The structure of metals consists of positive ions in a ‘sea of electrons’. Which statement correctly describes what happens to the particles in the metallic heating element of an electric kettle when the kettle is switched on? A Electrons move …
- Question 5
Naturally-occurring bromine has a relative atomic mass of 80 and consists entirely of two isotopes of relative atomic masses 79 and 81. What can be deduced about naturally-occurring bromine from this information only? A Bromine contains the two isotopes in …
- Question 6
Silicon carbide, SiC, has a structure similar to diamond. Boron nitride, BN, has a structure similar to graphite. Bronze is an alloy of copper and tin. Which statements about SiC, BN and bronze are correct? 1 All are bonded covalently. …
- Question 7
What can be deduced about two gases that have the same relative molecular mass? A They have the same boiling point. B They have the same number of atoms in one molecule. C They have the same rate of diffusion …
- Question 8
Sodium is in Group I of the Periodic Table. When sodium combines with chlorine, what happens to each sodium atom? A It gains one electron from one chlorine atom. B It shares one electron with one chlorine atom. C It …
- Question 9
Hydrogen and sulfur react to form the compound hydrogen sulfide. Which row shows the type of bonding between hydrogen and sulfur and the electrical conductivity of liquid hydrogen sulfide? type of bonding electrical conductivity in the liquid state A covalent …
- Question 10
Which statement about aqueous potassium sulfate is correct? A It contains more sulfate ions than potassium ions. B It contains two different types of molecule. C It does not conduct electricity. D It forms a white precipitate when added to …
- Question 11
One volume of a gaseous element X2 combines with an equal volume of gaseous hydrogen to form two volumes of a gaseous hydride. What is the formula for the hydride of …
- Question 12
The relative atomic mass of chlorine is 35.5. What is the mass of 2 moles of chlorine gas? …
- Question 13
How could a sample of potassium be obtained from potassium chloride, KCl ? method 1 adding zinc to a solution of KCl method 2 electrolysing an aqueous solution of KCl method 3 electrolysing molten KCl A method 1 only B …
- Question 14
A concentrated aqueous solution of copper(II) chloride is electrolysed using inert electrodes. What is the product at the positive electrode? A chlorine B copper C hydrogen D oxygen
- Question 15
The diagrams show an electrolysis experiment using inert electrodes. liquid …
- Question 16
The energy profile for the forward direction of a reversible reaction is shown. progress of reaction energy ∆H activation energy Which row correctly shows both the sign of the activation energy and the type of the enthalpy change for the …
- Question 17
Which ionic equation describes a redox reaction? A Ag+(aq) + Cl –(aq) → AgCl (s) B 2H+(aq) + CO3 2–(aq) → CO2(g) …
- Question 18
Four separate mixtures of a solution and a solid are made, as given in the table. The mixtures are warmed. In which mixtures does gas form? NaOH(aq) and NH4Cl (s) NaOH(aq) and Mg(s) H2SO4(aq) and NH4Cl (s) H2SO4(aq) and Mg(s) …
- Question 19
Four oxides are added separately to aqueous sodium hydroxide. 1 aluminium oxide 2 carbon dioxide 3 copper(II) oxide 4 magnesium oxide Which oxides react with aqueous sodium hydroxide? A 1 and 2 only …
- Question 20
Chlorine can be manufactured by the following reaction. 4HCl …
- Question 21
Which is a use of sulfuric acid? A as a bleach B in the manufacture of ammonia C in the manufacture of fertilisers D in the manufacture of sulfur trioxide
- Question 22
Which statement about ammonia is correct? A It is a colourless, odourless gas. B It is a gas which turns damp blue litmus paper red. C It is formed when potassium nitrate is heated with aqueous sodium hydroxide and aluminium. …
- Question 23
Which property is common to calcium, potassium and sodium? A Their atoms all have more neutrons than protons. B Their ions all have eight electrons in their outer shell. C They all sink when added to water. D They are …
- Question 24
The table shows the solubility of some compounds of metal Q in cold water. salt solubility in cold water carbonate insoluble chloride soluble sulfate insoluble What is metal Q? A barium B lead C magnesium D sodium
- Question 25
Which two statements indicate that metal M may have a proton number between 21 and 30? 1 It conducts electricity. 2 It does not react with water. 3 It forms two basic oxides with formulae MO and M2O3. 4 It …
- Question 26
An atom of which element has the same electronic configuration as the strontium ion? A calcium B krypton C rubidium D selenium
- Question 27
Which substance, in the given physical state, is found at the bottom of the blast furnace? substance physical state A calcium carbonate solid B calcium silicate liquid C carbon liquid D iron solid
- Question 28
Gas Z is to be separated from a mixture of gases X, Y and Z by the apparatus shown in the diagram. water aqueous sodium hydroxide copper(II) oxide …
- Question 29
Magnesium can be obtained by heating magnesium oxide with which element? A carbon B hydrogen C sodium D zinc
- Question 30
Methanol is manufactured using the following reaction. CO(g) + 2H2(g) CH3OH(g) The usual conditions are 30 atmospheres and 300 °C. At 400 °C the percentage of methanol in the equilibrium mixture is lower than at 300 °C. What could be …
- Question 31
In the electrolysis of molten aluminium oxide for the extraction of aluminium, the following three reactions take place. 1 Al …
- Question 32
An alloy of copper and zinc is added to an excess of dilute hydrochloric acid. The resulting mixture is then filtered. Which observations are correct? filtrate residue A colourless solution none B colourless solution red-brown C blue solution grey D …
- Question 33
The compounds CO(NH2)2 and NH4NO3 are used as fertilisers. The proportion of nitrogen by mass in CO(NH2)2 is 1 that in NH4NO3. The proportion of nitrogen by mole in CO(NH2)2 is 2 that in NH4NO3. Which words correctly complete gaps …
- Question 34
Which method will remove salt from seawater? A chlorination B distillation C filtration D use of carbon
- Question 35
Which organic compound requires the least oxygen for the complete combustion of one mole of the compound? A C3H7OH B C3H7COOH …
- Question 36
Which polymer contains only three elements? A protein B poly(ethene) C poly(propene) D starch
- Question 37
What are the reactions of compounds …
- Question 38
The diagram shows the partial structure of Terylene. …
- Question 39
Which straight chain hydrocarbon can form a polymer by addition polymerisation? …
- Question 40
Which information is correct regarding the formation of ethanol by the process of fermentation? substances fermented gas evolved during fermentation A carbohydrates carbon dioxide B carbohydrates carbon monoxide C hydrocarbons carbon dioxide D hydrocarbons carbon monoxide Group 140 Ce Cerium …
Other Chemistry papers from May/June 2013
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