Cambridge IGCSE · 0620 · Paper 2 · Theory (Core)
Chemistry 0620/23 Oct/Nov 2013 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Theory (Core)), variant 3, Oct/Nov 2013: 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
File names: 0620_w13_qp_23 · 0620_w13_ms_23
Grade thresholds for 0620/23 Oct/Nov 2013
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 |
|---|---|---|---|---|
| 0 | 0 | 50 | 0 | 40 |
Topics in this paper
Which syllabus chapters 0620/23 Oct/Nov 2013 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 2 | 25 |
| Organic chemistry | 2 | 19 |
| Metals | 2 | 18 |
| The Periodic Table | 1 | 11 |
| States of matter | 1 | 7 |
Questions in 0620/23 Oct/Nov 2013
- Question 1
For Examiner’s Use 1 (a) Choose from the list of metals below to answer the following questions. aluminium barium calcium iron lithium silver Each metal can be used once, more than once or not at all. (i) Which metal has …
- Question 2
For Examiner’s Use 2 Helium is in Group 0 of the Periodic Table. (a) Describe the structure of a helium atom. Use your Periodic Table to help you. In your answer, include ● the type and number of subatomic particles …
- Question 3
For Examiner’s Use 3 This question is about calcium and some calcium compounds. (a) Calcium is in Group II of the Periodic Table. Complete the diagram below to show the electronic structure of calcium. Ca (b) Calcium reacts with hydrochloric …
- Question 4
For Examiner’s Use 4 The diagram shows how a liquid alkane can be cracked in a school laboratory to form a mixture of gaseous and liquid hydrocarbons. water catalyst (aluminium oxide granules) liquid alkane (absorbed in mineral wool) (a) What …
- Question 5
For Examiner’s Use 5 Ethanol can be made by fermentation. fermentation mixture U-shaped tube containing water (a) Apart from yeast, what other substances are present in the reaction mixture? Tick two boxes. copper sulfate ethene sugar methane water (b) What …
- Question 6
For Examiner’s Use 6 (a) When hydrated copper(II) sulfate is heated, the following reaction occurs: CuSO4.5H2O(s) CuSO4(s) + 5H2O(l) hydrated copper(II) sulfate anhydrous copper(II) sulfate (i) What does the sign mean? (ii) Explain how this reaction is used as a …
- Question 7
For Examiner’s Use 7 The graph below shows how the temperature rises with time when a solid, P, is heated steadily and changes to a liquid and then to a gas. …
- Question 8
For Examiner’s Use 8 (a) State two differences between a mixture and a compound. (b) Plant ash is a mixture of large insoluble particles and salts which are soluble in water. In parts of Africa, salts are traditionally obtained from …
Other Chemistry papers from Oct/Nov 2013
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/21 Theory (Core)
- 0620/22 Theory (Core)
- 0620/31 Theory (Extended)
- 0620/32 Theory (Extended)
- 0620/33 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical