Cambridge IGCSE · 0620 · Paper 2 · Multiple choice (Extended)
Chemistry 0620/22 Feb/March 2017 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Multiple choice (Extended)), variant 2, Feb/March 2017: 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
- 27
File names: 0620_m17_qp_22 · 0620_m17_ms_22
Grade thresholds for 0620/22 Feb/March 2017
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 |
|---|---|---|---|---|---|---|
| 27 | 23 | 20 | 17 | 14 | 11 | 8 |
Topics in this paper
Which syllabus chapters 0620/22 Feb/March 2017 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/22 Feb/March 2017
- Question 1
A gas is released at point Q in the apparatus shown. damp Universal Indicator paper point Q Which gas changes the colour of the damp Universal Indicator paper most quickly? gas relative molecular mass A ammonia 17 B carbon dioxide …
- Question 2
The diagrams show liquids in a burette and a measuring cylinder. …
- Question 3
The diagram shows how muddy water can be purified. muddy water clean water fine sand gravel small pebbles Which process for purifying the muddy water is shown? A crystallisation B distillation C filtration D solvent extraction
- Question 4
Which statement explains why isotopes of an element have the same chemical properties? A They have different numbers of neutrons. B They have the same number of electrons as protons. C They have the same number of electrons in the …
- Question 5
The formulae of some ions are shown. positive ions negative ions Al 3+ Br – Ca2+ CO3 2– Cu2+ NO3 – Fe3+ S2– K+ SO4 2– In which row is the formula not correct? compound formula A aluminium sulfate Al …
- Question 6
Diamond and silicon(IV) oxide both have giant structures. Which statements are correct? 1 Both substances are compounds. 2 There are strong covalent bonds in diamond. 3 Silicon(IV) oxide is bonded ionically. 4 Both substances have very high melting points. A …
- Question 7
Which statement about metals is correct? A Layers of positive ions can slide over each other making metals malleable. B Metallic bonding consists of a lattice of negative ions in a sea of delocalised electrons. C Metallic bonding consists of …
- Question 8
The gas hydrazine has the molecular formula N2H4. Hydrazine burns in air to form nitrogen gas and steam. …
- Question 9
Copper(II) carbonate is broken down by heating to form copper(II) oxide and carbon dioxide gas. The equation for the reaction is shown. CuCO3 → CuO + CO2 31.0 g of copper(II) carbonate are heated until all of the contents of …
- Question 10
The diagram shows the electrolysis of aqueous copper(II) sulfate. + – aqueous copper(II) sulfate carbon electrodes Which statement is correct? A Copper metal is deposited at the positive electrode. B In the external circuit the electrons move from positive to …
- Question 11
Four solutions are separately electrolysed. experiment solution electrodes 1 dilute aqueous sodium chloride carbon 2 aqueous copper(II) sulfate copper 3 concentrated hydrochloric acid carbon 4 dilute sulfuric acid carbon In which two experiments is a colourless gas evolved at the …
- Question 12
Ammonia is made by reacting nitrogen with hydrogen in the presence of an iron catalyst. The reaction is exothermic. The equation for the reaction is shown. …
- Question 13
The energy level diagram for the reaction between P and Q to form R and S is shown. energy …
- Question 14
Copper(II) carbonate reacts with dilute sulfuric acid. CuCO3(s) + H2SO4(aq) → CuSO4(aq) + CO2(g) + H2O(l) The rate of the reaction can be changed by varying the conditions. Which changes always increase the rate of this chemical reaction? 1 increasing …
- Question 15
Which reaction is not affected by the presence of light? A a candle burning B methane reacting with chlorine C photosynthesis D silver bromide decomposing to form silver
- Question 16
The equation for the reversible reaction between hydrogen and iodine to form hydrogen iodide is shown. The colours of the reactants and products are shown. …
- Question 17
Chlorine displaces bromine from a solution of potassium bromide. Cl 2 + 2KBr → 2KCl + Br2 What is the oxidising agent in this reaction? A bromide ions B bromine C chloride ions D chlorine
- Question 18
Beryllium oxide reacts with both sulfuric acid and aqueous sodium hydroxide. Which type of oxide is beryllium oxide? A acidic B amphoteric C basic D neutral
- Question 19
A student investigates two acids W and X. The same volumes of W and X are reacted separately with excess magnesium. The student makes the following observations. 1 Hydrogen gas is produced at a faster rate with W than with …
- Question 20
A student is given an unknown solution. Which two tests provide evidence that the solution is copper(II) sulfate? 1 adding dilute hydrochloric acid 2 adding aqueous sodium hydroxide 3 adding dilute nitric acid, then silver nitrate solution 4 adding dilute …
- Question 21
The diagram shows the steps in the preparation of a salt. step 1 step 2 step 3 step 4 Which salt is prepared by this method? A barium sulfate B copper(II) sulfate C potassium sulfate D sodium sulfate
- Question 22
Which property of elements increases across a period of the Periodic Table? A metallic character B number of electron shells C number of outer shell electrons D tendency to form positive ions
- Question 23
Magnesium, calcium, strontium and barium are Group II elements. Group II elements follow the same trends as Group I elements. Which statements about Group II elements are correct? 1 Calcium reacts faster than magnesium with water. 2 Barium reacts less …
- Question 24
The noble gases are in Group VIII of the Periodic Table. Which statement explains why noble gases are unreactive? A They all have eight electrons in their outer shells. B They all have full outer shells. C They are all …
- Question 25
Part of the Periodic Table is shown. Which element is used as a catalyst? …
- Question 26
Which statement about all metals is correct? A They are attracted to a magnet. B They are weak and brittle. C They may be used to form alloys. D They react with water.
- Question 27
Which substance produces sulfur dioxide when roasted in air? A bauxite B cryolite C hematite D zinc blende
- Question 28
Which metal carbonate does not produce carbon dioxide when it is heated with a Bunsen burner? A copper(II) carbonate B magnesium carbonate C sodium carbonate D zinc carbonate
- Question 29
Two experiments are carried out. In experiment 1, copper is heated with steam. In experiment 2, copper(II) oxide is heated with carbon. steam copper experiment 1 experiment 2 heat copper(II) oxide and carbon Which row describes what happens in experiments …
- Question 30
Which two gases are obtained from liquid air by fractional distillation? A carbon dioxide and oxygen B carbon dioxide and water vapour C nitrogen and oxygen D nitrogen and water vapour
- Question 31
An experiment to find the percentage of oxygen in 150 cm3 of polluted air is shown. water damp iron wool measuring cylinder 150 cm3 of polluted air The apparatus is left for one week. After this time, the volume of …
- Question 32
Two reactions, X and Y, produce carbon dioxide. X Y CH4 CO2 CaCO3 Which types of reaction are X and …
- Question 33
The ions present in ammonium sulfate are formed from the products of the Contact and Haber processes. Both of these processes involve the use of a catalyst. Which row is correct? ion formed from process catalyst A ammonium ammonia Contact …
- Question 34
The table shows the composition of four different types of petroleum. fraction Arabian Heavy / % Arabian Light / % Iranian Heavy / % North Sea / % gasoline …
- Question 35
Which reaction of ethene is not an addition reaction? A reaction with bromine B reaction with hydrogen C reaction with oxygen D reaction with steam
- Question 36
Ethanol is a fuel used in cars. It can be made from petroleum. …
- Question 37
Ethanol is produced from either ethene or sugar. Which type of chemical reaction is used in each case? ethene → ethanol sugar → ethanol A addition fermentation B addition fractional distillation C distillation fermentation D distillation fractional distillation
- Question 38
The structural formula of an organic compound is shown. CH3CH2COOCH3 What is the name of this compound? A butanoic acid B ethyl ethanoate C methyl propanoate D propyl methanoate
- Question 39
The diagram shows the structure of an important product. …
- Question 40
Which pair of compounds reacts to form a condensation polymer? A CH3COOH and C2H5NH2 B HCOOH and HOC2H4OH C HOC6H12OH and HOOCC3H6COOH D H2NC2H4NH2 and HOC3H6OH Group The Periodic Table of Elements 1 H hydrogen 1 2 He helium 4 …
Other Chemistry papers from Feb/March 2017
- 0620/12 Multiple choice (Core)
- 0620/32 Theory (Core)
- 0620/42 Theory (Extended)
- 0620/62 Alternative to Practical