Cambridge IGCSE ยท 0620 ยท Paper 3 ยท Theory (Core)
Chemistry 0620/32 Oct/Nov 2017 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 2, Oct/Nov 2017: the question paper and its official mark scheme, 8 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 8
- Marks
- 80
- Grade A from
- 50
File names: 0620_w17_qp_32 ยท 0620_w17_ms_32
Grade thresholds for 0620/32 Oct/Nov 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 |
|---|---|---|---|---|
| 50 | 42 | 33 | 27 | 21 |
Topics in this paper
Which syllabus chapters 0620/32 Oct/Nov 2017 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Chemistry of the environment | 2 | 21 |
| Acids, bases and salts | 1 | 13 |
| Electrochemistry | 1 | 11 |
| The Periodic Table | 1 | 10 |
| Atoms, elements and compounds | 1 | 9 |
| Organic chemistry | 1 | 9 |
| States of matter | 1 | 7 |
Questions in 0620/32 Oct/Nov 2017
- Question 1
The diagram shows the structures of five substances, โฆ
- Question 2
The diagram shows the composition of the planet Saturn. liquid hydrogen liquid helium atmosphere rocky core 75.0% hydrogen 24.9% helium 0.1% other gases (a) Describe how Saturnโs atmosphere differs from the Earthโs atmosphere. Give three differences. โฆ
- Question 3
The following compounds are present in a liquid used for cleaning metal. ethanoic acid ethanol glycerol sodium chloride water (a) (i) Draw the structure of the functional group present in ethanoic acid. (ii) Which one of the following pH values โฆ
- Question 4
The table shows the properties of four substances. substance boiling point electrical conductivity of solid electrical conductivity when molten solubility in water calcium iodide very high does not conduct conducts phosphorus low does not conduct does not conduct insoluble sodium โฆ
- Question 5
Nickel can be obtained from nickel(II) oxide by heating it with a mixture of carbon monoxide and hydrogen. 2NiO + CO + H2 2Ni + CO2 โฆ
- Question 6
Ethanol can be manufactured from ethene or by the fermentation of glucose. (a) Describe these two methods of manufacturing ethanol. In your answer, include โ the names of any additional substances needed, โ the reaction conditions. (b) Ethene is an โฆ
- Question 7
Sulfur dichloride, SCl 2, is a red liquid which vaporises easily at room temperature and pressure. (a) A drop of sulfur dichloride was placed in the corner of a glass box. The glass box was closed and left for 12 โฆ
- Question 8
Calcium carbonate (limestone) decomposes when heated. CaCO3 CaO + CO2 (a) When 20.0 g of calcium carbonate are decomposed, 11.2 g of calcium oxide (lime), CaO, are formed. Calculate the mass of calcium oxide formed when 160.0 g of calcium โฆ
Other Chemistry papers from Oct/Nov 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)
- 0620/33 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