Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 Feb/March 2017 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), 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
- 20
File names: 0620_m17_qp_12 · 0620_m17_ms_12
Grade thresholds for 0620/12 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 |
|---|---|---|---|---|
| 20 | 17 | 15 | 13 | 11 |
Topics in this paper
Which syllabus chapters 0620/12 Feb/March 2017 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 Feb/March 2017
- Question 1
A bottle of aqueous ammonia is placed on a table in a corner of the laboratory. The stopper is removed and after a few minutes all the students in the room can smell the ammonia. Which process occurs? A Brownian …
- Question 2
A student is investigating a coloured mixture using chromatography. paper pencil line solvent Where should the student place the coloured mixture? A in the solvent B just above the pencil line C just below the pencil line D on the …
- Question 3
The diagrams show liquids in a burette and a measuring cylinder. …
- Question 4
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 5
The aluminium ion, Al 3+, has the same electronic structure as an atom of which noble gas? A argon B helium C krypton D neon
- Question 6
A covalent molecule M contains a total of four shared electrons. What is M? A ammonia, NH3 B hydrogen chloride, HCl C methane, CH4 D water, H2O
- Question 7
Three substances have the properties shown. ● X conducts electricity when solid and when molten. ● Y is soluble in water and the solution conducts electricity. ● Z only conducts electricity when molten. What are X, Y and …
- Question 8
Caffeine is a stimulant found in coffee. …
- Question 9
Four substances are electrolysed. The substances are concentrated aqueous sodium chloride, concentrated hydrochloric acid, molten lead(II) bromide and molten sodium oxide. Which statement about these electrolysis reactions is correct? A A colourless gas is formed at the anode when molten …
- Question 10
Ammonium chloride is added to 100 cm3 of water. The temperature changes from 25 °C to 20 °C. Which type of reaction occurs? A endothermic B exothermic C freezing D neutralisation
- Question 11
A diagram for the energy change during an exothermic reaction is shown. energy reactants products For which reactions would this be an appropriate diagram? 1 CH4 …
- Question 12
The diagram shows the apparatus used to measure the rate of a chemical reaction. 52.73g reactants balance For which reaction can the rate be measured using this apparatus? A 2Na + Cl 2 → 2NaCl B NaOH + HCl → …
- Question 13
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 14
In which reaction is the first substance in the equation oxidised? A CaO …
- Question 15
The equation for the effect of heat on hydrated sodium carbonate is as shown. Na2CO3.10H2O(s) Na2CO3(s) + 10H2O(g) Statements made by four students about the reaction are given. P Anhydrous sodium carbonate is formed. Q Steam is formed. R There …
- Question 16
Which reaction is a neutralisation reaction? A AgNO3 + HCl → AgCl + HNO3 B CaCO3 → CaO + CO2 C 4Na …
- Question 17
Elements W and X are metals. Elements Y and Z are non-metals. The oxides of …
- Question 18
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 19
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 20
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 21
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 22
Which compound is made from elements which are all in the same period? A Al 2(SO4)3 B C2H5OH C LiNO3 D Na3Al F6
- Question 23
Part of the Periodic Table is shown. Which element is used as a catalyst? …
- Question 24
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 25
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 26
Which metal is commonly used to form alloys with a non-metallic element? A copper B iron C magnesium D zinc
- Question 27
Steel is made by adding 1 to molten iron to remove 2 from the iron. Stainless steel is 3 resistant to corrosion than mild steel. Which words complete the gaps 1, 2 and …
- Question 28
Water is added to hydrated copper(II) sulfate. water hydrated copper(II) sulfate Which colour change takes place? A blue to pink B blue to white C no change D white to blue
- Question 29
Two reactions, X and Y, produce carbon dioxide. X Y CH4 CO2 CaCO3 Which types of reaction are X and …
- Question 30
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 31
Ammonia is produced when a mixture of ammonium chloride and substance X is heated. What is substance X? A ammonium sulfate B barium chloride C calcium hydroxide D silver nitrate
- Question 32
Which row is correct for both carbon dioxide and methane? causes climate change produced by burning fuels produced by living organisms …
- Question 33
Which statements about sulfur dioxide are correct? 1 It dissolves in water to produce a solution with a pH less than pH 7. 2 It is used as a food preservative. 3 It changes potassium manganate(VII) from colourless to purple. …
- Question 34
A student carried out two experiments. experiment 1 The student heated a sample of limestone very strongly. A white powder formed. experiment 2 The white powder from experiment 1 was cooled. The student then added a small quantity of cold …
- Question 35
Which substance has a main constituent that contains only one carbon atom per molecule? A bitumen B gasoline C natural gas D petroleum
- Question 36
The table shows the composition of four different types of petroleum. fraction Arabian Heavy / % Arabian Light / % Iranian Heavy / % North Sea / % gasoline …
- Question 37
Ethanol is a fuel used in cars. It can be made from petroleum. …
- Question 38
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 39
Which type of hydrocarbon reacts rapidly with aqueous bromine and what is the colour change of the aqueous bromine? type of hydrocarbon colour change of the aqueous bromine A alkane brown to colourless B alkane colourless to brown C alkene …
- Question 40
The diagram shows the structure of an important product. …
Other Chemistry papers from Feb/March 2017
- 0620/22 Multiple choice (Extended)
- 0620/32 Theory (Core)
- 0620/42 Theory (Extended)
- 0620/62 Alternative to Practical