Cambridge IGCSE · 0620 · Paper 3 · Theory (Core)
Chemistry 0620/32 May/June 2019 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 2, May/June 2019: 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
- 44
File names: 0620_s19_qp_32 · 0620_s19_ms_32
Grade thresholds for 0620/32 May/June 2019
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 |
|---|---|---|---|---|
| 44 | 38 | 32 | 25 | 16 |
Topics in this paper
Which syllabus chapters 0620/32 May/June 2019 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 2 | 14 |
| Chemistry of the environment | 1 | 13 |
| Chemical energetics | 1 | 13 |
| Stoichiometry | 1 | 13 |
| Organic chemistry | 1 | 12 |
| Metals | 1 | 8 |
| Chemical reactions | 1 | 7 |
Questions in 0620/32 May/June 2019
- Question 1
The diagrams show part of the structures of five substances, …
- Question 2
This question is about iron and compounds of iron. (a) Iron can be converted into steel in a basic oxygen converter. Oxygen is blown into the impure molten iron to remove some of the impurities. (i) Oxygen reacts with the …
- Question 3
(a) The table shows the percentage by mass of the elements in the Earth’s crust and in the oceans. element percentage by mass in the Earth’s crust percentage by mass in the oceans aluminium 8.20 0.00 calcium 3.60 0.05 chlorine …
- Question 4
This question is about bromine and compounds of bromine. (a) Use the kinetic particle model to describe the arrangement and type of motion of the molecules in: ● liquid bromine ● bromine gas. (b) The graph shows how the …
- Question 5
Methane, ethane and ethene are hydrocarbons. (a) Draw the structure of a molecule of ethane. Show all of the atoms and all of the bonds. (b) Which one of these compounds belongs to the same homologous series as methane? …
- Question 6
This question is about cobalt and compounds of cobalt. (a) Describe how you could prepare a pure sample of crystals of hydrated cobalt(II) sulfate using dilute sulfuric acid and an excess of cobalt(II) carbonate. (b) Complete the table to calculate …
- Question 7
A student investigates the rate of reaction of magnesium ribbon with an excess of dilute hydrochloric acid. Mg + 2HCl MgCl …
- Question 8
(a) Oxides of nitrogen are pollutants in the air. (i) One source of oxides of nitrogen in the air is from the manufacture of nitric acid. State one other source of oxides of nitrogen in the air. (ii) State one …
Other Chemistry papers from May/June 2019
- 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