Cambridge IGCSE · 0620 · Paper 3 · Theory (Core)
Chemistry 0620/32 May/June 2025 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 2, May/June 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
- 45
File names: 0620_s25_qp_32 · 0620_s25_ms_32
Grade thresholds for 0620/32 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 |
|---|---|---|---|---|
| 45 | 36 | 28 | 20 | 12 |
Topics in this paper
Which syllabus chapters 0620/32 May/June 2025 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/32 May/June 2025
- Question 1
A list of substances is shown. aluminium bromine calcium carbon dioxide iron magnesium magnesium oxide neon oxygen potassium sulfur dioxide Answer the following questions about these substances. Each substance may be used once, more than once or not at all. …
- Question 2
This question is about sea water and the substances found in sea water. (a) Table 2.1 shows the masses of some of the compounds formed when 500 cm3 of sea water is evaporated. Table 2.1 compound formula mass of compound …
- Question 3
This question is about phosphorus and its compounds. (a) (i) Phosphorus is in Group V of the Periodic Table. Explain why phosphorus is placed in this group. (ii) Two isotopes of phosphorus are shown in Fig. …
- Question 4
This question is about organic chemistry. (a) (i) State the meaning of the term hydrocarbon. (ii) Petroleum is a mixture of hydrocarbons. Outline how petroleum is separated into its useful components. Include in your answer: • the name of the …
- Question 5
This question is about zinc salts. (a) Excess solid zinc oxide is added to dilute sulfuric acid to produce a salt. (i) Complete the word equation for this reaction. (ii) Name the method used to remove excess solid zinc oxide …
- Question 6
This question is about metals. …
- Question 7
(a) Select two processes that show a chemical change. Tick (3) two boxes. boiling water burning methane dissolving salt mixing ink and water rusting of iron (b) The reaction of hydrogen with nitrogen is a reversible reaction. Write the symbol …
- Question 8
This question is about water and air. (a) Water needs to be treated to make it safe to drink. Draw a line from each stage in the treatment of domestic water to the reason why it is carried out. stage …
Other Chemistry papers from May/June 2025
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