Cambridge IGCSE · 0620 · Paper 4 · Theory (Extended)
Chemistry 0620/41 May/June 2016 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 1, May/June 2016: the question paper and its official mark scheme, 6 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 6
- Marks
- 80
- Grade A from
- 42
File names: 0620_s16_qp_41 · 0620_s16_ms_41
Grade thresholds for 0620/41 May/June 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 | F | G |
|---|---|---|---|---|---|---|
| 42 | 33 | 24 | 20 | 14 | 10 | 6 |
Topics in this paper
Which syllabus chapters 0620/41 May/June 2016 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 2 | 39 |
| Organic chemistry | 1 | 13 |
| Atoms, elements and compounds | 1 | 12 |
| Chemical reactions | 1 | 8 |
| Electrochemistry | 1 | 8 |
Questions in 0620/41 May/June 2016
- Question 1
Protons, neutrons and electrons are subatomic particles. (a) Complete the table to show the relative mass and relative charge of a proton, a neutron and an electron. particle relative mass relative charge proton neutron electron …
- Question 2
Period 3 contains the elements sodium to argon. This question asks about the chemistry of each of the Period 3 elements or their compounds. (a) Sodium nitrate is a white crystalline solid. When heated it melts and the following reaction …
- Question 3
When aqueous sodium thiosulfate and dilute hydrochloric acid are mixed, a precipitate of insoluble sulfur is produced. This makes the mixture difficult to see through. Na2S2O3(aq) + 2HCl (aq) …
- Question 4
Electroplating steel objects with silver involves a three-step process. step 1 A coating of copper is applied to the object. step 2 A coating of nickel is applied to the object. step 3 The coating of silver is applied to …
- Question 5
Sulfuric acid is produced by the Contact process. The steps of the Contact process are shown. starting material step 1 sulfur dioxide sulfur trioxide sulfuric acid oleum step 2 step 3 step 4 (a) Sulfur is a common starting material …
- Question 6
Petroleum is a source of many important chemicals. (a) Name two industrial processes which must take place to produce alkenes from petroleum. (b) Ethene, CH2=CH2, and propene, CH2=CHCH3, can both be converted into polymers. (i) What type of polymerisation takes …
Other Chemistry papers from May/June 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)
- 0620/31 Theory (Core)
- 0620/32 Theory (Core)
- 0620/33 Theory (Core)
- 0620/42 Theory (Extended)
- 0620/43 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical