Cambridge IGCSE · 0620 · Paper 4 · Theory (Extended)
Chemistry 0620/41 Oct/Nov 2022 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 1, Oct/Nov 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
- 48
File names: 0620_w22_qp_41 · 0620_w22_ms_41
Grade thresholds for 0620/41 Oct/Nov 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 |
|---|---|---|---|---|---|---|
| 48 | 38 | 29 | 24 | 19 | 15 | 11 |
Topics in this paper
Which syllabus chapters 0620/41 Oct/Nov 2022 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 2 | 31 |
| Chemical reactions | 1 | 14 |
| Atoms, elements and compounds | 1 | 14 |
| Stoichiometry | 1 | 12 |
| Chemical energetics | 1 | 9 |
Questions in 0620/41 Oct/Nov 2022
- Question 1
The names of the elements of Period 2 of the Periodic Table are shown. lithium beryllium boron carbon nitrogen oxygen fluorine neon Answer the following questions about these elements. Each element may be used once, more than once or not …
- Question 2
Potassium is a Group I element. (a) Name and describe the bonding in potassium. name description (b) Potassium combines with sulfur to form an ionic compound, potassium sulfide, K2S. (i) Give two physical properties of ionic compounds. …
- Question 3
Ammonia is made in an industrial process starting with nitrogen. The equation for the reaction is shown. …
- Question 4
A student prepares calcium nitrate, Ca(NO3)2, by adding calcium carbonate to dilute nitric acid. (a) Write the chemical equation for this reaction. (b) Describe two observations during this reaction. …
- Question 5
Ethene is an alkene which reacts with bromine as shown in the equation. C2H4 + Br2 → C2H4Br2 (a) Write the general formula of alkenes. (b) Describe the colour change seen when ethene is bubbled through aqueous bromine. from to …
- Question 6
Ester Y has the structure shown. …
Other Chemistry papers from Oct/Nov 2022
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- 0620/31 Theory (Core)
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- 0620/61 Alternative to Practical
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