Cambridge IGCSE · 0620 · Paper 3 · Theory (Core)
Chemistry 0620/32 Feb/March 2025 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 2, Feb/March 2025: 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
- 50
File names: 0620_m25_qp_32 · 0620_m25_ms_32
Grade thresholds for 0620/32 Feb/March 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 |
|---|---|---|---|---|
| 50 | 41 | 33 | 25 | 17 |
Topics in this paper
Which syllabus chapters 0620/32 Feb/March 2025 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Atoms, elements and compounds | 2 | 20 |
| Acids, bases and salts | 2 | 18 |
| Chemical reactions | 1 | 12 |
| Organic chemistry | 1 | 12 |
| Metals | 1 | 11 |
| Chemistry of the environment | 1 | 7 |
Questions in 0620/32 Feb/March 2025
- Question 1
A list of symbols and formulae is shown. Ba2+ C Cl 2 Cl – CO CO2 CuO …
- Question 2
This question is about metals and alloys. (a) Table 2.1 shows information about the reactions of four different metals with oxygen. Table 2.1 metal reaction with oxygen calcium burns rapidly to form an oxide cobalt burns slowly to form an …
- Question 3
A student investigates the reaction of magnesium with dilute sulfuric acid. (a) Complete the word equation for the reaction of magnesium with dilute sulfuric acid. magnesium sulfuric acid hydrogen …
- Question 4
(a) Fig. 4.1 shows the displayed formula of compound …
- Question 5
This question is about iron and its compounds. (a) Fig. 5.1 shows the changes of the physical states of iron. solid liquid melting D condensing C gas Fig. 5.1 Name the changes of physical states C and …
- Question 6
This question is about acids and bases. (a) Dilute hydrochloric acid reacts with calcium carbonate powder. Name the three products formed in this reaction. …
- Question 7
(a) A list of common air and water pollutants is shown. methane nitrates oxides of nitrogen particulates plastics sewage Answer the following questions using only these pollutants. Each pollutant may be used once, more than once or not at all. …
- Question 8
(a) Molten potassium chloride is electrolysed using inert electrodes. (i) Name the product formed at each electrode. product at positive electrode product at negative electrode (ii) State the general name of the negative electrode used in electrolysis. (b) Potassium forms …
Other Chemistry papers from Feb/March 2025
- 0620/12 Multiple choice (Core)
- 0620/22 Multiple choice (Extended)
- 0620/42 Theory (Extended)
- 0620/62 Alternative to Practical