Cambridge IGCSE ยท 0620 ยท Paper 3 ยท Theory (Core)
Chemistry 0620/32 Feb/March 2023 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 2, Feb/March 2023: 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_m23_qp_32 ยท 0620_m23_ms_32
Grade thresholds for 0620/32 Feb/March 2023
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 | 37 | 29 | 21 | 13 |
Topics in this paper
Which syllabus chapters 0620/32 Feb/March 2023 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Metals | 1 | 14 |
| Organic chemistry | 1 | 13 |
| Atoms, elements and compounds | 1 | 11 |
| Electrochemistry | 1 | 11 |
| Stoichiometry | 1 | 10 |
| Acids, bases and salts | 1 | 10 |
| The Periodic Table | 1 | 6 |
| Chemistry of the environment | 1 | 5 |
Questions in 0620/32 Feb/March 2023
- Question 1
A list of symbols and formulae is shown. Br2 CH4 C2H4 Cl โ CO2 Cr3+ Cu2+ โฆ
- Question 2
(a) A sample of soil is shaken with distilled water. Draw a diagram to show the filtration apparatus used to separate the soil from the solution obtained by shaking the soil with distilled water. On your diagram, label: โ the โฆ
- Question 3
This question is about compounds of nitrogen. (a) Complete the dot-and-cross diagram in Fig. 3.1 of a molecule of ammonia. Show outer shell electrons only. โฆ
- Question 4
This question is about metals and compounds of metals. (a) Table 4.1 shows some properties of five metals, โฆ
- Question 5
Potassium iodide is an ionic compound. (a) State two properties of an ionic compound. โฆ
- Question 6
(a) Fig. 6.1 shows the displayed formula of a molecule of crotyl alcohol. โฆ
- Question 7
This question is about iron. (a) Iron is extracted from iron ore in a blast furnace. (i) Name the main ore of iron. (ii) The main ore of iron contains iron(III) oxide. Describe the extraction of iron from iron ore โฆ
- Question 8
A student investigates the reaction of iron powder with dilute hydrochloric acid at 20 ยฐC. The hydrochloric acid is in excess. (a) Fig. 8.1 shows the volume of hydrogen gas released as the reaction proceeds. volume of hydrogen gas / โฆ
Other Chemistry papers from Feb/March 2023
- 0620/12 Multiple choice (Core)
- 0620/22 Multiple choice (Extended)
- 0620/42 Theory (Extended)
- 0620/62 Alternative to Practical