Cambridge IGCSE ยท 0620 ยท Paper 4 ยท Theory (Extended)
Chemistry 0620/43 May/June 2022 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 3, May/June 2022: the question paper and its official mark scheme, 6 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 6
- Marks
- 80
- Grade A from
- 46
File names: 0620_s22_qp_43 ยท 0620_s22_ms_43
Grade thresholds for 0620/43 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 | F | G |
|---|---|---|---|---|---|---|
| 46 | 34 | 21 | 17 | 13 | 9 | 5 |
Topics in this paper
Which syllabus chapters 0620/43 May/June 2022 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Organic chemistry | 1 | 18 |
| Acids, bases and salts | 1 | 18 |
| The Periodic Table | 1 | 16 |
| Chemistry of the environment | 1 | 12 |
| Metals | 1 | 8 |
| Atoms, elements and compounds | 1 | 8 |
Questions in 0620/43 May/June 2022
- Question 1
A list of substances is shown. aluminium oxide carbon dioxide carbon monoxide chlorine copper glucose iron(III) oxide limestone nitrogen oxygen Answer the questions using the substances in the list. Each substance may be used once, more than once or not โฆ
- Question 2
(a) 32S 16 and 33S 16 are isotopes of sulfur. Use your knowledge of protons, neutrons and electrons to answer the following questions. (i) Describe how these isotopes of sulfur are the same and how they are different. same different โฆ
- Question 3
This question is about nitrogen and compounds of nitrogen. (a) Nitrogen molecules have the formula N2. Some properties of nitrogen are shown: โ melting point of โฆ
- Question 4
Ethanol is made industrially by the reaction of ethene with steam. The reaction occurs at a temperature of 300 ยฐC and a pressure of 60 atmospheres. โฆ
- Question 5
This question is about copper and its compounds. (a) Describe the bonding in a metallic element such as copper. You may include a diagram as part of your answer. (b) A metal spoon is electroplated with copper. State what is โฆ
- Question 6
The Periodic Table can be used to classify elements. (a) The Group I metals react with cold water. Transition elements do not react with cold water. (i) Describe two other differences in the chemical properties between Group I metals and โฆ
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)
- 0620/32 Theory (Core)
- 0620/33 Theory (Core)
- 0620/41 Theory (Extended)
- 0620/42 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical