Cambridge IGCSE · 0620 · Paper 4 · Theory (Extended)
Chemistry 0620/41 May/June 2025 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 1, May/June 2025: 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
- 58
File names: 0620_s25_qp_41 · 0620_s25_ms_41
Grade thresholds for 0620/41 May/June 2025
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 |
|---|---|---|---|---|---|---|
| 58 | 46 | 33 | 28 | 23 | 18 | 13 |
Topics in this paper
Which syllabus chapters 0620/41 May/June 2025 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Chemistry of the environment | 2 | 25 |
| Organic chemistry | 1 | 18 |
| Chemical reactions | 1 | 15 |
| The Periodic Table | 1 | 12 |
| Atoms, elements and compounds | 1 | 10 |
Questions in 0620/41 May/June 2025
- Question 1
A list of substances is shown. bauxite calcium oxide ethanol graphite methane nitrogen oxygen propane propene sulfur dioxide Answer the questions using the list of substances. Each substance may be used once, more than once, or not at all. State …
- Question 2
Atoms are made of electrons, neutrons and protons. (a) Complete Table 2.1. Table 2.1 particle relative charge relative mass electron 1 1840 neutron 0 proton (b) Atoms of the same element are known as isotopes. 39 19K and 41 19K …
- Question 3
This question is about copper and compounds of copper. (a) (i) Describe the bonding in a metallic element such as copper. (ii) Explain how solid copper conducts electricity. (b) Copper is in alloys such as brass. (i) State one reason …
- Question 4
This question is about nitrogen and its compounds. Nitrogen contains molecules with the formula N2. (a) Complete the dot-and-cross diagram in Fig. 4.1 to show the electronic configuration in a nitrogen molecule. Show outer-shell electrons only. N N Fig. 4.1 …
- Question 5
Methanol, CH3OH, is manufactured by the reaction between hydrogen and carbon monoxide. An equilibrium mixture is produced. 2H2(g) + CO(g) CH3OH(g) (a) State what happens to the concentration of CH3OH when the reaction is at equilibrium. Explain your answer in …
- Question 6
This question is about the Periodic Table. (a) State the name given to Group VII elements. (b) State which Group VII element is most reactive. (c) Give the physical state and colour of iodine at room temperature and pressure. state …
Other Chemistry papers from May/June 2025
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