Cambridge IGCSE · 0620 · Paper 3 · Theory (Core)
Chemistry 0620/32 Feb/March 2019 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 2, Feb/March 2019: 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
- 55
File names: 0620_m19_qp_32 · 0620_m19_ms_32
Grade thresholds for 0620/32 Feb/March 2019
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 |
|---|---|---|---|---|
| 55 | 47 | 37 | 28 | 19 |
Topics in this paper
Which syllabus chapters 0620/32 Feb/March 2019 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 1 | 14 |
| Atoms, elements and compounds | 1 | 13 |
| Chemical reactions | 1 | 12 |
| Electrochemistry | 1 | 12 |
| Chemistry of the environment | 1 | 11 |
| Organic chemistry | 1 | 11 |
| The Periodic Table | 1 | 7 |
Questions in 0620/32 Feb/March 2019
- Question 1
This question is about electronic structures. (a) The electronic structures of five atoms, …
- Question 2
This question is about uranium and its compounds. (a) (i) An isotope of uranium is represented by the symbol shown. 235U 92 Deduce the number of electrons and neutrons in one atom of this isotope of uranium. number of electrons …
- Question 3
This question is about sulfur, sulfur compounds and the water from a sulfur spring. A sulfur spring is a natural source of water containing sulfur. (a) The table shows the mass of ions present in a 1000 cm3 sample of …
- Question 4
A student investigated the reaction between zinc and dilute hydrochloric acid by measuring the volume of hydrogen gas produced at one minute intervals. Zn + 2HCl ZnCl …
- Question 5
Aqueous sodium hydroxide is a base. (a) Describe the reaction of aqueous sodium hydroxide with: …
- Question 6
This question is about chromium and chromium compounds. (a) (i) Suggest why chromium is manufactured by electrolysis and not by the reduction of chromium(VI) oxide, CrO3, with carbon. (ii) Suggest the products of electrolysis of molten chromium(VI) oxide at: ● …
- Question 7
This question is about alkanes and petroleum fractions. (a) The table gives some information about alkanes. alkane number of carbon atoms in each molecule melting point in °C boiling point in °C methane …
Other Chemistry papers from Feb/March 2019
- 0620/12 Multiple choice (Core)
- 0620/22 Multiple choice (Extended)
- 0620/42 Theory (Extended)
- 0620/62 Alternative to Practical