Cambridge IGCSE · 0620 · Paper 2 · Theory (Core)
Chemistry 0620/22 May/June 2011 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Theory (Core)), variant 2, May/June 2011: 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_s11_qp_22 · 0620_s11_ms_22
Grade thresholds for 0620/22 May/June 2011
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 | 45 | 0 | 30 |
Topics in this paper
Which syllabus chapters 0620/22 May/June 2011 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 1 | 14 |
| Metals | 1 | 13 |
| States of matter | 1 | 13 |
| Organic chemistry | 1 | 12 |
| Chemistry of the environment | 1 | 10 |
| Atoms, elements and compounds | 1 | 9 |
| Electrochemistry | 1 | 9 |
Questions in 0620/22 May/June 2011
- Question 1
For Examiner’s Use 1 The diagram shows the electronic structures of six atoms. …
- Question 2
For Examiner’s Use 2 Many metal oxides can be reduced with carbon. The table shows the temperatures required to produce different metals from their oxides by heating with carbon. reaction temperature / °C aluminium oxide → aluminium 2100 iron oxide …
- Question 3
For Examiner’s Use 3 The pie chart shows the composition of air. oxygen nitrogen other gases (a) (i) What is the percentage of nitrogen in the air? (ii) Apart from nitrogen and oxygen, state the names of two gases present …
- Question 4
For Examiner’s Use 4 Ethanol can be produced by fermentation or by the catalytic addition of steam to ethene. (a) (i) Complete the word equation for fermentation. glucose → + ethanol (ii) State the conditions needed for fermentation. (b) (i) …
- Question 5
For Examiner’s Use 5 The structures of diamond and chlorine are shown below. = carbon atom = chlorine atom diamond chlorine (a) Describe the structure of these two substances. Use the list of words to help you. covalent diatomic giant …
- Question 6
For Examiner’s Use 6 Iron(II) sulfate is a light green salt. (a) Describe how you can prepare pure dry crystals of iron(II) sulfate from iron powder and dilute sulfuric acid. (b) The formula for iron(II) sulfate is FeSO4.7H2O. (i) What …
- Question 7
For Examiner’s Use 7 Smelling salts are sometimes used to ‘wake up’ people who feel faint. The main chemical in smelling salts is ammonium carbonate. Ammonium carbonate breaks down slowly at room temperature to release ammonia gas. ammonium carbonate → …
Other Chemistry papers from May/June 2011
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/21 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