Cambridge IGCSE · 0620 · Paper 4 · Theory (Extended)
Chemistry 0620/42 Feb/March 2024 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 2, Feb/March 2024: the question paper and its official mark scheme, 5 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 5
- Marks
- 80
- Grade A from
- 51
File names: 0620_m24_qp_42 · 0620_m24_ms_42
Grade thresholds for 0620/42 Feb/March 2024
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 |
|---|---|---|---|---|---|---|
| 51 | 39 | 28 | 23 | 17 | 12 | 7 |
Topics in this paper
Which syllabus chapters 0620/42 Feb/March 2024 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Atoms, elements and compounds | 2 | 33 |
| Metals | 1 | 19 |
| Acids, bases and salts | 1 | 16 |
| Chemical reactions | 1 | 12 |
Questions in 0620/42 Feb/March 2024
- Question 1
Iron ore contains iron(III) oxide, Fe2O3. A blast furnace is used to extract iron from Fe2O3. Equations for some of the reactions in the blast furnace are shown. equation …
- Question 2
The elements in Group VII of the Periodic Table are known as the halogens. Halogens can form halide ions. (a) Identify the halogen with the lowest density at r.t.p. (room temperature and pressure). (b) State the appearance of bromine at …
- Question 3
This question is about acids, bases and alkalis. Table 3.1 shows the pH values of some substances. Table 3.1 substance pH NaOH(aq) 14 Ca(OH)2(aq) …
- Question 4
The equation for the reaction between methanoic acid and ethanol in the presence of a catalyst can be represented as shown. HCOOH + CH3CH2OH …
- Question 5
Butane and but-1-ene are colourless gases at room temperature and pressure. (a) Suggest why but-1-ene diffuses quicker than butane. (b) Identify the products formed when butane undergoes complete combustion. (c) One molecule of butane reacts with one molecule of chlorine …
Other Chemistry papers from Feb/March 2024
- 0620/12 Multiple choice (Core)
- 0620/22 Multiple choice (Extended)
- 0620/32 Theory (Core)
- 0620/62 Alternative to Practical