Cambridge IGCSE · 0620 · Paper 4 · Theory (Extended)
Chemistry 0620/41 Oct/Nov 2018 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 1, Oct/Nov 2018: 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
- 49
File names: 0620_w18_qp_41 · 0620_w18_ms_41
Grade thresholds for 0620/41 Oct/Nov 2018
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 |
|---|---|---|---|---|---|---|
| 49 | 38 | 27 | 23 | 19 | 15 | 11 |
Topics in this paper
Which syllabus chapters 0620/41 Oct/Nov 2018 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Chemistry of the environment | 2 | 25 |
| Organic chemistry | 1 | 18 |
| Acids, bases and salts | 1 | 17 |
| Chemical reactions | 1 | 13 |
| Atoms, elements and compounds | 1 | 7 |
Questions in 0620/41 Oct/Nov 2018
- Question 1
The following formulae represent different substances. Al Ag CaCO3 CH4 Cl 2 Cu SO2 Answer the following questions using only these substances. Each substance may be used once, more than once or not at all. State which substance is: (a) …
- Question 2
The table gives some information about four different particles, …
- Question 3
(a) Copper(II) nitrate decomposes when heated. Two gases, oxygen and nitrogen dioxide, and a solid are made in the reaction. A sample of copper(II) nitrate was decomposed using the apparatus shown. X aqueous sodium hydroxide copper(II) nitrate heat water (i) …
- Question 4
(a) Sulfuric acid is made industrially by a four-step process. step 1 Sulfur is burned in air to produce sulfur dioxide. step 2 Sulfur dioxide is converted into sulfur trioxide. step 3 Sulfur trioxide is reacted with concentrated sulfuric acid …
- Question 5
Hydrogen gas reacts with iodine gas. The equation is shown. …
- Question 6
(a) Ethane, C2H6, is a member of the homologous series called alkanes. Ethanol, C2H5OH, is a member of the homologous series called alcohols. (i) Alkanes are hydrocarbons. What is meant by the term hydrocarbon? (ii) All members of a homologous …
Other Chemistry papers from Oct/Nov 2018
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- 0620/31 Theory (Core)
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- 0620/61 Alternative to Practical
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