Cambridge IGCSE · 0620 · Paper 3 · Theory (Core)
Chemistry 0620/32 Feb/March 2016 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 2, Feb/March 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
- 49
File names: 0620_m16_qp_32 · 0620_m16_ms_32
Grade thresholds for 0620/32 Feb/March 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 |
|---|---|---|---|---|
| 49 | 40 | 31 | 24 | 18 |
Topics in this paper
Which syllabus chapters 0620/32 Feb/March 2016 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Acids, bases and salts | 2 | 25 |
| Organic chemistry | 1 | 14 |
| Chemical reactions | 1 | 12 |
| Chemistry of the environment | 1 | 12 |
| Atoms, elements and compounds | 1 | 10 |
| Electrochemistry | 1 | 7 |
Questions in 0620/32 Feb/March 2016
- Question 1
The diagram shows part of the Periodic Table. I Li Ti Cr Fe Cu Zn …
- Question 2
Molten potassium bromide can be electrolysed using the apparatus shown. + – graphite electrodes molten potassium bromide (a) Predict the products of this electrolysis at the positive electrode (anode), negative electrode (cathode). (b) (i) Explain why graphite electrodes are used …
- Question 3
Many metals react with either cold water or steam. (a) Describe the reaction of sodium with cold water, and iron with steam. In your answer describe • the products formed, • any observations that can be made. (b) Iron reacts …
- Question 4
The structures of sodium chloride and nitrogen are shown below. Na+ Cl – Na+ Na+ Cl – Cl – Na+ Na+ Cl – Cl – Na+ Cl – Na+ Cl – Na+ Cl – sodium chloride nitrogen …
- Question 5
(a) The table shows some properties of cobalt, copper, magnesium and tin. metal relative heat conduction density in g / cm3 melting point / °C relative strength cobalt …
- Question 6
Citric acid is found in lemon juice. Citric acid shows typical acidic properties. (a) Describe how you could determine the pH of a solution of lemon juice using Universal Indicator. (b) The structure of citric acid is shown below. …
- Question 7
Rhenium is a metal. (a) Describe three physical properties of rhenium. (b) The structure of a rhenium chloride molecule is shown. Cl Cl Cl Cl Re Re Re Cl Cl Cl Cl Cl Determine the simplest formula for this chloride …
Other Chemistry papers from Feb/March 2016
- 0620/12 Multiple choice (Core)
- 0620/22 Multiple choice (Extended)
- 0620/42 Theory (Extended)
- 0620/62 Alternative to Practical