Cambridge IGCSE · 0620 · Paper 3 · Theory (Core)
Chemistry 0620/33 May/June 2019 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 3, 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_33 · 0620_s19_ms_33
Grade thresholds for 0620/33 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 | 37 | 31 | 25 | 19 |
Topics in this paper
Which syllabus chapters 0620/33 May/June 2019 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| States of matter | 2 | 22 |
| Chemistry of the environment | 2 | 19 |
| Stoichiometry | 1 | 12 |
| Metals | 1 | 11 |
| Organic chemistry | 1 | 9 |
| Experimental techniques and chemical analysis | 1 | 7 |
Questions in 0620/33 May/June 2019
- Question 1
The diagram shows part of the structures of five substances, …
- Question 2
This question is about iron and iron compounds. (a) Iron can be extracted from iron ore by reduction with carbon in a blast furnace. (i) Which one of these substances is an ore of iron? Draw a circle around the …
- Question 3
The table shows the percentage by mass of the elements in the oceans and in the biosphere. The biosphere is all living organisms. element percentage by mass in the oceans percentage by mass in the biosphere calcium 0.05 0.40 carbon …
- Question 4
This question is about chlorine and compounds of chlorine. (a) Use the kinetic particle model to describe the arrangement and type of motion of the molecules in: ● solid chlorine ● chlorine gas. (b) The graph shows how the …
- Question 5
The structure of compound S is shown. …
- Question 6
This question is about zinc and compounds of zinc. (a) Describe how you could prepare a pure sample of crystals of hydrated zinc sulfate using dilute sulfuric acid and an excess of zinc. (b) The equation shows the effect of …
- Question 7
A student investigates the rate of reaction of large pieces of magnesium carbonate with an excess of dilute nitric acid. MgCO3 + 2HNO3 Mg(NO3)2 + CO2 …
- Question 8
This question is about Group IV elements and their compounds. (a) Lead compounds are pollutants in the air. (i) State one source of lead compounds in the air. (ii) State one adverse effect of lead compounds on health. (b) The …
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)
- 0620/32 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