Cambridge IGCSE · 0620 · Paper 2 · Theory (Core)
Chemistry 0620/21 Oct/Nov 2015 past paper
Cambridge IGCSE Chemistry (0620) Paper 2 (Theory (Core)), variant 1, Oct/Nov 2015: 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
- 47
File names: 0620_w15_qp_21 · 0620_w15_ms_21
Grade thresholds for 0620/21 Oct/Nov 2015
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 |
|---|---|---|---|---|
| 47 | 41 | 34 | 26 | 18 |
Topics in this paper
Which syllabus chapters 0620/21 Oct/Nov 2015 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Electrochemistry | 2 | 22 |
| States of matter | 1 | 16 |
| Acids, bases and salts | 1 | 13 |
| Atoms, elements and compounds | 1 | 11 |
| Organic chemistry | 1 | 9 |
| Stoichiometry | 1 | 9 |
Questions in 0620/21 Oct/Nov 2015
- Question 1
The structures of six compounds are shown below. Al Cl Cl Cl Cl Al Cl Cl Cl …
- Question 2
A student measures the maximum temperature changes when five different solids, …
- Question 3
(a) Nickel is extracted from nickel(II) oxide, NiO, by heating with carbon. Complete the symbol equation for this reaction. NiO …
- Question 4
A teacher demonstrated the reactivity of calcium with water. He used the apparatus shown below. water calcium gas syringe (a) The teacher measured the volume of gas given off at various times during the reaction. He then repeated the experiment …
- Question 5
A student left a cube of ice on a plate in a warm room. The diagrams below show what happened to the ice. at the start after 10 minutes after 30 minutes (a) Describe and explain what happened to the …
- Question 6
When rubber is distilled, a chemical called isoprene is formed. The structure of isoprene is shown below. …
- Question 7
(a) Sodium is in Group I of the Periodic Table. Describe the structure of a sodium atom. In your answer refer to, • the type and number of each subatomic particle present, • the charges on each type of subatomic …
Other Chemistry papers from Oct/Nov 2015
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/13 Multiple choice (Core)
- 0620/22 Theory (Core)
- 0620/23 Theory (Core)
- 0620/31 Theory (Extended)
- 0620/32 Theory (Extended)
- 0620/33 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical