Cambridge IGCSE ยท 0620 ยท Paper 3 ยท Theory (Core)
Chemistry 0620/31 Oct/Nov 2016 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 1, Oct/Nov 2016: 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
- Grade A from
- 44
File names: 0620_w16_qp_31 ยท 0620_w16_ms_31
Grade thresholds for 0620/31 Oct/Nov 2016
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 |
|---|---|---|---|---|
| 44 | 37 | 30 | 23 | 16 |
Topics in this paper
Which syllabus chapters 0620/31 Oct/Nov 2016 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Stoichiometry | 2 | 22 |
| Chemistry of the environment | 1 | 14 |
| Organic chemistry | 1 | 14 |
| Atoms, elements and compounds | 1 | 10 |
| Electrochemistry | 1 | 10 |
| Metals | 1 | 10 |
Questions in 0620/31 Oct/Nov 2016
- Question 1
The diagram shows part of the Periodic Table. Li B Al โฆ
- Question 2
The bar charts compare the concentrations of the main ions in two samples of seawater, sample A and sample โฆ
- Question 3
Calcium is in Group II of the Periodic Table. (a) Draw a diagram to show the electronic structure of an atom of calcium. (b) Calcium is manufactured by the electrolysis of molten calcium chloride. Complete the boxes in the diagram โฆ
- Question 4
A porous pot has tiny holes in its walls which allow gases to move in or out of the pot. A teacher filled a porous pot with green chlorine gas. The teacher then placed the pot in a large jar โฆ
- Question 5
The table shows the properties of some steels. steel percentage of carbon in the steel relative strength melting point range / ยฐC ease of corrosion โฆ
- Question 6
(a) Describe the characteristic properties of acids. In your answer you should refer to the reactions of acids with metals, bases, carbonates and indicators. (b) The table shows some properties of the first five members of the carboxylic acid homologous โฆ
- Question 7
The diagram shows the changes of state when sulfur is heated. solid sulfur A liquid sulfur sulfur vapour B (a) Give the names of the changes of state labelled A and โฆ
Other Chemistry papers from Oct/Nov 2016
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/21 Multiple choice (Extended)
- 0620/22 Multiple choice (Extended)
- 0620/23 Multiple choice (Extended)
- 0620/32 Theory (Core)
- 0620/33 Theory (Core)
- 0620/41 Theory (Extended)
- 0620/42 Theory (Extended)
- 0620/43 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical