Cambridge IGCSE ยท 0620 ยท Paper 4 ยท Theory (Extended)
Chemistry 0620/43 May/June 2017 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 3, May/June 2017: the question paper and its official mark scheme, 6 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 6
- Marks
- 80
- Grade A from
- 50
File names: 0620_s17_qp_43 ยท 0620_s17_ms_43
Grade thresholds for 0620/43 May/June 2017
The minimum raw marks Cambridge set for each grade on this component (out of 80). Thresholds change every session and variant, so always compare your score with the paper you actually sat.
| A | B | C | D | E | F | G |
|---|---|---|---|---|---|---|
| 50 | 39 | 28 | 24 | 19 | 12 | 5 |
Topics in this paper
Which syllabus chapters 0620/43 May/June 2017 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Organic chemistry | 1 | 23 |
| Atoms, elements and compounds | 2 | 22 |
| Chemistry of the environment | 1 | 15 |
| States of matter | 1 | 10 |
| Electrochemistry | 1 | 10 |
Questions in 0620/43 May/June 2017
- Question 1
Six different atoms can be represented as follows. โฆ
- Question 2
Cyclopropane is a colourless gas. Cyclopropane reacts with bromine at room temperature. The chemical equation for the reaction is shown. โฆ
- Question 3
Magnesium is a metal. (a) Describe the structure and bonding in magnesium. (b) Why can magnesium conduct electricity when solid? (c) Why is magnesium malleable? (d) Magnesium reacts with sulfur to form the ionic compound magnesium sulfide, MgS. The diagrams โฆ
- Question 4
Gasoline is used as a fuel for cars. It is a mixture of hydrocarbons. (a) Name the raw material from which gasoline is obtained. (b) One of the compounds in gasoline is heptane, C7H16. Heptane is a saturated hydrocarbon. (i) โฆ
- Question 5
The diagram shows a simple cell. V metal 2 electrolyte metal 1 voltmeter The simple cell was used with different metals as electrodes. The voltages were recorded in the table. โ If the voltage measured is positive then metal 2 โฆ
- Question 6
Barium carbonate, BaCO3, is an insoluble solid. (a) When barium carbonate is heated strongly, it undergoes thermal decomposition. One of the products is barium oxide. (i) Write a chemical equation for the thermal decomposition of barium carbonate. (ii) Suggest the โฆ
Other Chemistry papers from May/June 2017
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/21 Multiple choice (Extended)
- 0620/22 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)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical