Cambridge IGCSE · 0620 · Paper 2 · Theory (Core)
Chemistry 0620/22 Oct/Nov 2012 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Theory (Core)), variant 2, Oct/Nov 2012: 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_w12_qp_22 · 0620_w12_ms_22
Grade thresholds for 0620/22 Oct/Nov 2012
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 | 48 | 0 | 36 |
Topics in this paper
Which syllabus chapters 0620/22 Oct/Nov 2012 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Chemistry of the environment | 1 | 15 |
| Organic chemistry | 1 | 14 |
| Stoichiometry | 1 | 13 |
| Acids, bases and salts | 1 | 11 |
| Experimental techniques and chemical analysis | 1 | 11 |
| The Periodic Table | 1 | 10 |
| Metals | 1 | 6 |
Questions in 0620/22 Oct/Nov 2012
- Question 1
For Examiner’s Use 1 The diagram shows the structures of fi ve elements, …
- Question 2
For Examiner’s Use 2 Ammonia, NH3, is an alkaline gas. (a) Describe a test for ammonia. test result (b) What is the pH of an aqueous solution of ammonia? Put a ring around the correct answer. pH 1 pH 3 …
- Question 3
For Examiner’s Use 3 The table below shows the properties of some halogens. halogen colour state at room temperature melting point …
- Question 4
For Examiner’s Use 4 The process of distillation is used in an oil refi nery to separate petroleum into different fractions. (a) What do you understand by the term petroleum fraction ? (b) Some petroleum fractions are more useful than …
- Question 5
For Examiner’s Use 5 Aluminium is in Group III of the Periodic Table. Iron is a transition element. (a) Both aluminium and iron have high melting points and boiling points. State two differences in the physical properties of aluminium and …
- Question 6
For Examiner’s Use 6 The diagram below shows a kiln used for manufacturing lime. air blown in waste gases mixture of calcium carbonate and coke lime removed The reaction taking place in the kiln is calcium carbonate → calcium oxide …
- Question 7
For Examiner’s Use 7 The structures of iodine and potassium iodide are shown below. …
Other Chemistry papers from Oct/Nov 2012
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/21 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