Cambridge IGCSE · 0620 · Paper 3 · Theory (Extended)
Chemistry 0620/32 Oct/Nov 2012 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Extended)), variant 2, Oct/Nov 2012: the question paper and its official mark scheme, 7 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 7
- Marks
- 80
- Grade A from
- 45
File names: 0620_w12_qp_32 · 0620_w12_ms_32
Grade thresholds for 0620/32 Oct/Nov 2012
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 |
|---|---|---|---|---|
| 45 | 0 | 22 | 0 | 14 |
Topics in this paper
Which syllabus chapters 0620/32 Oct/Nov 2012 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Experimental techniques and chemical analysis | 1 | 15 |
| Electrochemistry | 1 | 15 |
| Organic chemistry | 1 | 14 |
| Metals | 1 | 12 |
| Atoms, elements and compounds | 1 | 9 |
| Chemistry of the environment | 1 | 9 |
| States of matter | 1 | 6 |
Questions in 0620/32 Oct/Nov 2012
- Question 1
For Examiner’s Use 1 This question is concerned with the elements in Period 5, Rb to Xe. (a) The electron distributions of some of these elements are given in the following list. element …
- Question 2
For Examiner’s Use 2 The diagram shows a heating curve for a sample of compound X. temperature / °C time …
- Question 3
For Examiner’s Use 3 Many organic compounds which contain a halogen have chloro, bromo or iodo in their name. (a) The following diagram shows the structure of 1-chloropropane. …
- Question 4
For Examiner’s Use 4 Iron is extracted from its ore, hematite, in the blast furnace. slag molten iron air firebrick lining waste gases raw materials: coke, C limestone, CaCO3 hematite, Fe2O3 (a) The temperature inside the blast furnace can rise …
- Question 5
For Examiner’s Use 5 The food additive E220 is sulfur dioxide. It is a preservative for a variety of foods and drinks. (a) State two other uses of sulfur dioxide. (b) How is sulfur dioxide manufactured? (c) Sulfur dioxide is …
- Question 6
For Examiner’s Use 6 During electrolysis, ions move in the electrolyte and electrons move in the external circuit. Reactions occur at the electrodes. (a) The diagram shows the electrolysis of molten lithium iodide. molten lithium iodide electrode electrode + – …
- Question 7
For Examiner’s Use 7 The alcohols form a homologous series. The fi rst member of this series is methanol, CH3OH. (a) (i) Give the general formula of the alcohols. (ii) The mass of one mole of an alcohol is 116 …
Other Chemistry papers from Oct/Nov 2012
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/21 Theory (Core)
- 0620/22 Theory (Core)
- 0620/23 Theory (Core)
- 0620/31 Theory (Extended)
- 0620/33 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical