Cambridge IGCSE · 0620 · Paper 2 · Theory (Core)
Chemistry 0620/21 Oct/Nov 2013 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Theory (Core)), variant 1, Oct/Nov 2013: the question paper and its official mark scheme, 7 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 7
- Marks
- 80
File names: 0620_w13_qp_21 · 0620_w13_ms_21
Grade thresholds for 0620/21 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 | 38 |
Topics in this paper
Which syllabus chapters 0620/21 Oct/Nov 2013 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 2 | 26 |
| Electrochemistry | 1 | 12 |
| Organic chemistry | 1 | 11 |
| States of matter | 1 | 11 |
| The Periodic Table | 1 | 10 |
| Metals | 1 | 10 |
Questions in 0620/21 Oct/Nov 2013
- Question 1
For Examiner’s Use 1 (a) Choose from the list of elements below to answer the following questions. calcium helium iodine nickel nitrogen sodium sulfur Each element can be used once, more than once or not at all. Which element: (i) …
- Question 2
For Examiner’s Use 2 Hydrogen chloride is an acidic gas. (a) (i) Complete the dot and cross diagram to show the electronic structure of hydrogen chloride. H Cl (ii) Is hydrogen chloride a covalent or an ionic compound? Give a …
- Question 3
For Examiner’s Use 3 Organic compounds can be put into groups called homologous series. (a) Complete the following sentences about organic compounds and homologous series. Use words from the list below. carbon chlorine different elements functional hydrocarbon hydrogen oxide similar …
- Question 4
For Examiner’s Use 4 The structures of diamond and graphite are shown below. diamond graphite = carbon atom (a) Describe the similarities and differences between these structures. (b) Graphite burns in excess air to form carbon dioxide. Describe a test …
- Question 5
For Examiner’s Use 5 Many plants contain coloured pigments. A student crushes some plant leaves in alcohol to extract the pigments. She then separates the pigments using the apparatus shown below. (a) Write the correct labels in the boxes in …
- Question 6
For Examiner’s Use 6 The diagram shows a kettle of boiling water. kettle water vapour water droplets As the water vapour cools it turns back to water droplets. (a) Describe this change of state in terms of the kinetic particle …
- Question 7
For Examiner’s Use 7 The table shows some properties of seven different substances. substance density / g per cm3 relative strength relative electrical conductivity relative thermal conductivity aluminium …
Other Chemistry papers from Oct/Nov 2013
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/22 Theory (Core)
- 0620/23 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