Cambridge IGCSE · 0620 · Paper 4 · Theory (Extended)
Chemistry 0620/41 May/June 2017 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 1, May/June 2017: 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
- 49
File names: 0620_s17_qp_41 · 0620_s17_ms_41
Grade thresholds for 0620/41 May/June 2017
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 |
|---|---|---|---|---|---|---|
| 49 | 38 | 27 | 24 | 18 | 12 | 6 |
Topics in this paper
Which syllabus chapters 0620/41 May/June 2017 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 2 | 20 |
| Organic chemistry | 1 | 19 |
| Stoichiometry | 1 | 16 |
| Chemical reactions | 1 | 13 |
| Atoms, elements and compounds | 1 | 12 |
Questions in 0620/41 May/June 2017
- Question 1
This question is about subatomic particles. (a) Define the terms proton number, nucleon number. (b) Why is the 1H 1 hydrogen atom the only atom to have an identical proton number and nucleon number? (c) Complete the table to show …
- Question 2
Some oxides of some elements are listed. CO CO2 Na2O MgO Al 2O3 SiO2 P4O10 SO2 Cl 2O7 Cr2O3 (a) Answer the following questions using only oxides from the list. Each oxide may be used once, more than once or …
- Question 3
Magnesium sulfate and lead(II) sulfate are examples of salts. (a) A student prepared magnesium sulfate crystals starting from magnesium carbonate. The student carried out the experiment in four steps. step 1 The student added excess magnesium carbonate to a small …
- Question 4
Zinc is a very important metal. (a) Zinc is extracted from its ore, zinc blende. Zinc blende contains zinc sulfide, ZnS. Zinc sulfide is converted to zinc oxide in an industrial process. (i) Describe how zinc sulfide is converted to …
- Question 5
When barium carbonate is added to dilute hydrochloric acid, carbon dioxide gas is formed. A student carried out an experiment to measure the volume of gas formed as a reaction proceeds. The student added a small mass of powdered barium …
- Question 6
The alkenes and alkanes are both examples of homologous series which are hydrocarbons. (a) What is meant by the term hydrocarbon? (b) Give three characteristics of an homologous series. …
Other Chemistry papers from May/June 2017
- 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