Cambridge IGCSE · 0620 · Paper 4 · Theory (Extended)
Chemistry 0620/43 May/June 2016 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 3, May/June 2016: 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
- 46
File names: 0620_s16_qp_43 · 0620_s16_ms_43
Grade thresholds for 0620/43 May/June 2016
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 |
|---|---|---|---|---|---|---|
| 46 | 38 | 29 | 23 | 16 | 13 | 10 |
Topics in this paper
Which syllabus chapters 0620/43 May/June 2016 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Atoms, elements and compounds | 1 | 22 |
| Chemical reactions | 1 | 16 |
| Organic chemistry | 1 | 13 |
| Metals | 1 | 12 |
| Acids, bases and salts | 1 | 9 |
| Chemistry of the environment | 1 | 8 |
Questions in 0620/43 May/June 2016
- Question 1
The diagram shows a blast furnace. waste gases raw materials: coke, C iron ore, Fe2O3 limestone, CaCO3 …
- Question 2
The structures of six organic compounds are shown. …
- Question 3
Clean dry air contains mainly nitrogen and oxygen. (a) Name two other gases that are in clean dry air. (b) Air often contains pollutants. Identify three common gaseous pollutants in air and state how each of these pollutants are produced. …
- Question 4
(a) Potassium iodide is an ionic compound. (i) Describe what happens, in terms of electron loss and gain, when a potassium atom reacts with an iodine atom. (ii) Describe the structure of solid potassium iodide. You may draw a diagram. …
- Question 5
Dilute hydrochloric acid reacts with sodium carbonate solution. 2HCl (aq) + Na2CO3(aq) → 2NaCl (aq) …
- Question 6
Concentrated ammonia solution gives off ammonia gas. Concentrated hydrochloric acid gives off hydrogen chloride gas. Ammonia, NH3, and hydrogen chloride, HCl, are both colourless gases. Ammonia reacts with hydrogen chloride to make the white solid ammonium chloride. Apparatus is set …
Other Chemistry papers from May/June 2016
- 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