Cambridge IGCSE · 0620 · Paper 2 · Theory (Core)
Chemistry 0620/21 May/June 2011 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Theory (Core)), variant 1, May/June 2011: 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_s11_qp_21 · 0620_s11_ms_21
Grade thresholds for 0620/21 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 | 49 | 0 | 32 |
Topics in this paper
Which syllabus chapters 0620/21 May/June 2011 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Metals | 2 | 19 |
| Chemistry of the environment | 1 | 14 |
| Electrochemistry | 1 | 14 |
| Atoms, elements and compounds | 1 | 9 |
| Organic chemistry | 1 | 9 |
| Stoichiometry | 1 | 9 |
| Acids, bases and salts | 1 | 6 |
Questions in 0620/21 May/June 2011
- Question 1
For Examiner’s Use 1 The structures of some substances containing nitrogen are shown below. …
- Question 2
For Examiner’s Use 2 Vanadium has two isotopes. …
- Question 3
For Examiner’s Use 3 Water is present in the atmosphere, the seas and in ice and snow. (a) Describe a chemical test for water. test result (b) State one use of water in industry. (c) Water is a good solvent. …
- Question 4
For Examiner’s Use 4 The structures of some organic compounds are shown below. …
- Question 5
For Examiner’s Use 5 Concentrated hydrochloric acid can be electrolysed using the apparatus shown. concentrated hydrochloric acid – + negative electrode positive electrode (a) What do you understand by the term electrolysis ? (b) What is the name given to …
- Question 6
For Examiner’s Use 6 A student observed the reaction of various metals with both cold water and steam. Her results are shown below. metal reaction with cold water reaction with steam calcium reacts rapidly reacts very rapidly copper no reaction …
- Question 7
For Examiner’s Use 7 The diagram shows a basic oxygen converter. This is used to convert impure iron from the blast furnace into steel. During this process, some of the impurities in the iron are converted into a slag. (a) …
- Question 8
For Examiner’s Use 8 Bromine is a red-brown liquid. When warmed, it forms an orange vapour. (a) Describe what happens to the arrangement and motion of the particles when bromine changes state from a liquid to a vapour. (b) Bromine …
Other Chemistry papers from May/June 2011
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (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