Cambridge IGCSE ยท 0620 ยท Paper 2 ยท Multiple choice (Extended)
Chemistry 0620/22 Oct/Nov 2016 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Multiple choice (Extended)), variant 2, Oct/Nov 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
- 26
File names: 0620_w16_qp_22 ยท 0620_w16_ms_22
Grade thresholds for 0620/22 Oct/Nov 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 | F | G |
|---|---|---|---|---|---|---|
| 26 | 23 | 20 | 18 | 15 | 11 | 7 |
Topics in this paper
Which syllabus chapters 0620/22 Oct/Nov 2016 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 8 | โ |
| Atoms, elements and compounds | 6 | โ |
| Metals | 6 | โ |
| Chemistry of the environment | 5 | โ |
| Chemical reactions | 5 | โ |
| Organic chemistry | 4 | โ |
| Stoichiometry | 2 | โ |
| Chemical energetics | 2 | โ |
| The Periodic Table | 1 | โ |
| Electrochemistry | 1 | โ |
Questions in 0620/22 Oct/Nov 2016
- Question 1
โParticles moving very slowly from an area of higher concentration to an area of lower concentration.โ Which process is being described? A a liquid being frozen B a solid melting C a substance diffusing through a liquid D a substance โฆ
- Question 2
A student mixes 25 cm3 samples of dilute hydrochloric acid with different volumes of aqueous sodium hydroxide. In each case, the student measures the change in temperature to test if the reaction is exothermic. Which piece of apparatus is not โฆ
- Question 3
A sample contains a mixture of powdered limestone (calcium carbonate), sugar and wax. What is the correct way to obtain a pure sample of sugar? A Dissolve the mixture in dilute hydrochloric acid, filter and wash the residue. B Dissolve โฆ
- Question 4
The table shows information about four different particles. particle proton number nucleon number number of protons number of neutrons number of electrons Na โฆ
- Question 5
In which ionic compound do the metal ion and the non-metal ion have the same electronic structure? A CaO B KBr C MgO D NaCl
- Question 6
The structure of methanal is shown. โฆ
- Question 7
Iron is a metal. Its structure consists of a giant lattice of positive ions in a โsea of electronsโ. Which statements about solid iron are correct? 1 Iron conducts electricity because the electrons are free to move. 2 Iron conducts โฆ
- Question 8
Which sample contains the greatest number of molecules? โฆ
- Question 9
Sodium carbonate solution reacts with dilute hydrochloric acid. The equation for the reaction is shown. Na2CO3(aq) + 2HCl (aq) โ 2NaCl (aq) + CO2(g) + H2O(l) Excess sodium carbonate is added to 10.0 cm3 of 0.10 mol / dm3 hydrochloric โฆ
- Question 10
Which apparatus could be used to electroplate an iron nail with copper? โฆ
- Question 11
A student sets up a number of simple cells by putting strips of two different metals into dilute sulfuric acid. Which cell produces the highest voltage? A copper and magnesium B copper and zinc C iron and copper D magnesium โฆ
- Question 12
Which experiment is the most exothermic? initial temperature / ยฐC final temperature โฆ
- Question 13
The energy level diagram for a reaction is shown. reactants products ฮH Ea energy Which row is correct? sign of โH overall energy change sign of Ea A โ exothermic โฆ
- Question 14
Zinc granules are reacted with excess dilute hydrochloric acid. The volume of hydrogen given off is measured at different times. The results are shown on the graph, labelled experiment 1. The results for a second experiment are also shown on โฆ
- Question 15
In an experiment nitric acid is added to excess marble chips and the volume of carbon dioxide formed is measured. The experiment is repeated using smaller marble chips. All other conditions remain the same. Which statement about the second experiment โฆ
- Question 16
At 400 ยฐC the reaction between hydrogen and iodine reaches an equilibrium. The reaction is exothermic. โฆ
- Question 17
Chromium forms the compound chromium(III) sulfate. What does the (III) represent? A the charge on a sulfate ion B the number of chromium ions combined with one sulfate ion C the number of sulfate ions combined with one chromium ion โฆ
- Question 18
Germanium oxide is a white powder. Germanium oxide reacts with concentrated hydrochloric acid. Germanium oxide reacts with concentrated aqueous sodium hydroxide. Germanium oxide does not dissolve when added to water. Which type of oxide is germanium oxide? A acidic B โฆ
- Question 19
Hydrogen chloride gas reacts with water to produce an acidic solution. The equation for the reaction is shown. HCl โฆ
- Question 20
The apparatus shown is used to prepare aqueous copper(II) sulfate. Y stirrer solid X aqueous copper(II) sulfate excess of solid X filter paper heat What are X and โฆ
- Question 21
Information about some silver compounds is shown in the table. compound formula solubility in water silver carbonate Ag2CO3 insoluble silver chloride AgCl insoluble silver nitrate AgNO3 soluble silver oxide Ag2O insoluble Which equation shows a reaction which cannot be used โฆ
- Question 22
What is not a property of Group I metals? A They are soft and can be cut with a knife. B They react when exposed to oxygen in the air. C They produce an acidic solution when they react with โฆ
- Question 23
Aqueous sodium hydroxide was added slowly, until in excess, to separate solutions of โฆ
- Question 24
Part of the Periodic Table is shown. Which element has two electrons in its outer shell and three electron shells? โฆ
- Question 25
Impurities in iron obtained from the blast furnace include carbon, phosphorus and silicon. Which impurities are removed from the molten iron as gases when it is made into steel? A carbon and phosphorus B carbon and silicon C carbon only โฆ
- Question 26
Y displaces X from its aqueous sulfate. X does not displace W from its aqueous sulfate. X displaces Z from its aqueous sulfate. What is the order of reactivity of elements โฆ
- Question 27
Which statement about the industrial extraction of aluminium from aluminium oxide is correct? A Aluminium is extracted by heating its oxide with carbon. B Aluminium is extracted using electrolysis and is collected at the anode. C Aluminium is extracted using โฆ
- Question 28
The alloy brass is a mixture of copper and another metal. Brass is used to make the pins of electrical plugs. Copper is used to make electrical wiring. Which row about brass is correct? hardness electrical conductivity other metal A โฆ
- Question 29
Air is a mixture of gases. Which gas is present in the largest amount? A argon B carbon dioxide C nitrogen D oxygen
- Question 30
Which information about carbon dioxide and methane is correct? carbon dioxide methane A formed when vegetation decomposes key B greenhouse gas โฆ
- Question 31
Boats made from steel can be protected from rusting by attaching blocks of a more reactive metal to the hull of the boat. hull block of a more reactive metal Which statement is correct? A Copper is used for the โฆ
- Question 32
Ammonia is manufactured by the Haber process, using an iron catalyst. โฆ
- Question 33
Sulfuric acid is manufactured by a series of chemical reactions, one of which is catalysed by vanadium(V) oxide. What is the equation for the reaction catalysed by vanadium(V) oxide? โฆ
- Question 34
Which substance gives off carbon dioxide on heating? A lime B limestone C limewater D slaked lime
- Question 35
Petroleum is separated into fractions. Which statement is not correct? A Each fraction contains a mixture of hydrocarbon molecules. B Fuel oil burns easily and is used as fuel in cars. C Refinery gas is the fraction containing the smallest โฆ
- Question 36
Butane reacts as shown. butane butene + hydrogen catalyst and heat What is this type of reaction? A combustion B cracking C polymerisation D reduction
- Question 37
Substance Z has the following characteristics. 1 It burns in an excess of oxygen to form carbon dioxide and water. 2 It is oxidised by air to form a liquid smelling of vinegar. 3 It reacts with carboxylic acids to โฆ
- Question 38
Ethanol is manufactured by the catalytic addition of steam to ethene and by fermentation. Which row shows an advantage and a disadvantage of using the catalytic addition of steam to ethene compared to fermentation? advantage disadvantage A fast the product โฆ
- Question 39
Chloroethene, CH2=CHCl , can be polymerised. Which diagram represents a section of the polymer? โฆ
- Question 40
Terylene is a synthetic polymer. Which statement about Terylene is not correct? A It contains amide linkages. B It contains carbon and oxygen atoms. C It is made from small units called monomers. D It is formed by condensation polymerisation. โฆ
Other Chemistry papers from Oct/Nov 2016
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/21 Multiple choice (Extended)
- 0620/23 Multiple choice (Extended)
- 0620/31 Theory (Core)
- 0620/32 Theory (Core)
- 0620/33 Theory (Core)
- 0620/41 Theory (Extended)
- 0620/42 Theory (Extended)
- 0620/43 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical