Cambridge IGCSE · 0620 · Paper 4 · Theory (Extended)
Chemistry 0620/42 May/June 2026 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 2, May/June 2026: the question paper and its official mark scheme, 6 questions worth 80 marks. Free to open, no account needed.
- Questions
- 6
- Marks
- 80
File names: 0620_s26_qp_42 · 0620_s26_ms_42
Topics in this paper
Which syllabus chapters 0620/42 May/June 2026 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Chemical reactions | 1 | 21 |
| Acids, bases and salts | 1 | 15 |
| Organic chemistry | 1 | 14 |
| Metals | 1 | 13 |
| Atoms, elements and compounds | 1 | 11 |
| The Periodic Table | 1 | 6 |
Questions in 0620/42 May/June 2026
- Question 1
This question is about Group I and Group VII elements. (a) Give the symbol of the element from Group I or Group VII which has: (i) atoms with 11 protons (ii) atoms with 35 electrons (iii) molecules with an Mr …
- Question 2
Bonding is the attraction between particles. The particles can be atoms, molecules, ions or electrons. (a) Bonding can be strong or weak. (i) Complete Table 2.1 to describe the strong bonding in the substances shown. Table 2.1 sodium chloride bromine …
- Question 3
The salt zinc sulfate is prepared by adding excess solid zinc carbonate to dilute sulfuric acid. (a) Complete the equation for this reaction. ZnCO3 + H2SO4 ZnSO4 …
- Question 4
Chromium, copper and nickel are transition elements. (a) State two physical properties of transition elements that are different from Group I metals. …
- Question 5
This question is about compounds of nitrogen. (a) Ammonia is manufactured by reacting hydrogen with nitrogen in the Haber process. (i) State one source of hydrogen and one source of nitrogen. hydrogen nitrogen (ii) Write the symbol equation for the …
- Question 6
Alcohols are a homologous series of organic compounds. Table 6.1 gives some information about alcohols …
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