Cambridge IGCSE · 0620 · Paper 3 · Theory (Core)
Chemistry 0620/32 May/June 2022 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 2, May/June 2022: 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_s22_qp_32 · 0620_s22_ms_32
Grade thresholds for 0620/32 May/June 2022
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 | 19 | 11 |
Topics in this paper
Which syllabus chapters 0620/32 May/June 2022 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Atoms, elements and compounds | 2 | 22 |
| Organic chemistry | 2 | 20 |
| Metals | 1 | 12 |
| Electrochemistry | 1 | 11 |
| Acids, bases and salts | 1 | 8 |
| Chemistry of the environment | 1 | 7 |
Questions in 0620/32 May/June 2022
- Question 1
(a) A list of symbols and formulae is shown. Br – CH4 CO2 Cu2+ H2 K+ Na+ …
- Question 2
The table shows the masses of some ions in a 1000 cm3 sample of toothpaste. name of ion formula of ion mass of ion in 1000 cm3 of toothpaste / g ammonium NH4 + 0.5 calcium Ca2+ 3.6 carbonate CO3 …
- Question 3
This question is about Group I and Group VII elements. (a) Deduce the number of electrons, neutrons and protons in one atom of the isotope of potassium shown. 40K 19 number of electrons number of neutrons number of protons …
- Question 4
This question is about acids and bases. (a) Name the type of chemical reaction which occurs when an acid reacts with a base. (b) Describe the colour of litmus in acidic and alkaline solutions. in acidic solution in alkaline solution …
- Question 5
This question is about aluminium. (a) The changes of state of aluminium are shown. solid aluminium A liquid aluminium aluminium gas B Name the changes of state represented by A and …
- Question 6
(a) The structures of four organic compounds, …
- Question 7
This question is about sodium and compounds of sodium. (a) Sodium is a metal in Group I of the Periodic Table. (i) Give two physical properties of all metals. …
- Question 8
A student investigates the reaction of small pieces of calcium carbonate with dilute hydrochloric acid. The hydrochloric acid is in excess. CaCO3 + 2HCl → CaCl 2 + CO2 + H2O The rate of reaction is found by measuring the …
Other Chemistry papers from May/June 2022
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/21 Multiple choice (Extended)
- 0620/22 Multiple choice (Extended)
- 0620/23 Multiple choice (Extended)
- 0620/31 Theory (Core)
- 0620/33 Theory (Core)
- 0620/41 Theory (Extended)
- 0620/42 Theory (Extended)
- 0620/43 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical