Cambridge IGCSE ยท 0620 ยท Paper 4 ยท Theory (Extended)
Chemistry 0620/41 May/June 2019 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 1, May/June 2019: the question paper and its official mark scheme, 5 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 5
- Marks
- 80
- Grade A from
- 53
File names: 0620_s19_qp_41 ยท 0620_s19_ms_41
Grade thresholds for 0620/41 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 | F | G |
|---|---|---|---|---|---|---|
| 53 | 42 | 29 | 26 | 22 | 18 | 14 |
Topics in this paper
Which syllabus chapters 0620/41 May/June 2019 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 1 | 22 |
| Organic chemistry | 1 | 19 |
| The Periodic Table | 1 | 16 |
| Atoms, elements and compounds | 1 | 13 |
| States of matter | 1 | 10 |
Questions in 0620/41 May/June 2019
- Question 1
This question is about the structures of atoms and ions. (a) Define the term proton number. (b) (i) Complete the table to show the number of protons, neutrons and electrons present in atoms of 24Mg 12 and 26Mg 12 . โฆ
- Question 2
Z is a covalent substance. In an experiment, a sample of pure solid Z was continually heated for 11 minutes. The graph shows how the temperature of the sample of pure Z changed during the first 9 minutes. โฆ
- Question 3
Zinc and copper are elements next to each other in the Periodic Table. (a) Zinc is obtained from zinc blende in a two-step process. โ โ In step 1, zinc blende is converted into zinc oxide. โ โ In step โฆ
- Question 4
Ethanoic acid is a weak acid and hydrochloric acid is a strong acid. Both ethanoic acid and hydrochloric acid dissociate in aqueous solution. (a) (i) Define the term acid. (ii) The chemical equation shows the changes which occur when the โฆ
- Question 5
The structures of five alkenes, โฆ
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)
- 0620/33 Theory (Core)
- 0620/42 Theory (Extended)
- 0620/43 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical