Cambridge IGCSE · 0620 · Paper 3 · Theory (Core)
Chemistry 0620/32 Oct/Nov 2022 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 2, Oct/Nov 2022: the question paper and its official mark scheme, 8 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 8
- Marks
- 80
- Grade A from
- 45
File names: 0620_w22_qp_32 · 0620_w22_ms_32
Grade thresholds for 0620/32 Oct/Nov 2022
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 | 38 | 31 | 25 | 19 |
Topics in this paper
Which syllabus chapters 0620/32 Oct/Nov 2022 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Organic chemistry | 2 | 19 |
| Metals | 1 | 15 |
| Acids, bases and salts | 1 | 14 |
| States of matter | 1 | 10 |
| Atoms, elements and compounds | 1 | 10 |
| Chemistry of the environment | 1 | 7 |
| Chemical energetics | 1 | 5 |
Questions in 0620/32 Oct/Nov 2022
- Question 1
The structures of seven compounds or elements, …
- Question 2
(a) The table compares the percentage by mass of the elements in the Earth’s crust and in the Moon’s crust. element percentage by mass in the Earth's crust percentage by mass in the Moon’s crust aluminium 8.20 7.50 calcium 3.60 …
- Question 3
This question is about fuels and energy production. (a) Chemical reactions can be endothermic or exothermic. State the meaning of the term endothermic. (b) The diagram shows the apparatus used to compare the energy released when 100 cm3 of water …
- Question 4
This question is about halogens. (a) The table shows some properties of four halogens. halogen melting point in °C boiling point in °C density at room temperature and pressure in g / cm3 chlorine …
- Question 5
This question is about air and fertilisers. (a) Air contains nitrogen, oxygen, noble gases and carbon dioxide. State the percentage of nitrogen in clean, dry air. (b) Polluted air contains oxides of nitrogen. (i) Give one source of oxides of …
- Question 6
This question is about acids, bases and salts. (a) Describe the reaction of excess dilute sulfuric acid with magnesium carbonate and with magnesium oxide. Give the names of the products and any observations. reaction with magnesium carbonate ● products ● …
- Question 7
(a) The structure of compound T is shown. …
- Question 8
This question is about metals. (a) Chromium is a transition element. Potassium is an element in Group I of the Periodic Table. Chromium has a higher density than potassium. Give two other ways in which the physical properties of chromium …
Other Chemistry papers from Oct/Nov 2022
- 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)
- 0620/33 Theory (Core)
- 0620/41 Theory (Extended)
- 0620/42 Theory (Extended)
- 0620/43 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical