Cambridge IGCSE · 0620 · Paper 4 · Theory (Extended)
Chemistry 0620/41 May/June 2022 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 1, May/June 2022: 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
- 50
File names: 0620_s22_qp_41 · 0620_s22_ms_41
Grade thresholds for 0620/41 May/June 2022
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 |
|---|---|---|---|---|---|---|
| 50 | 38 | 26 | 21 | 16 | 11 | 7 |
Topics in this paper
Which syllabus chapters 0620/41 May/June 2022 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Chemistry of the environment | 2 | 19 |
| Organic chemistry | 1 | 19 |
| Acids, bases and salts | 1 | 12 |
| Chemical reactions | 1 | 11 |
| The Periodic Table | 1 | 11 |
| Atoms, elements and compounds | 1 | 8 |
Questions in 0620/41 May/June 2022
- Question 1
A list of substances is shown. aluminium oxide carbon dioxide chlorine diamond ethanol glucose iron(III) oxide limestone nitrogen oxygen Answer the questions using the list of substances. Each substance may be used once, more than once or not at all. …
- Question 2
(a) Atoms are made of protons, neutrons and electrons. Atoms of the same element are known as isotopes. (i) Complete the table. particle relative charge relative mass electron 1 1840 neutron proton +1 (ii) 24Mg 12 and 25Mg 12 …
- Question 3
This question is about sodium and compounds of sodium. (a) (i) Describe the bonding in a metallic element such as sodium. You may include a diagram as part of your answer. (ii) Describe how solid sodium conducts electricity. (b) Some …
- Question 4
This question is about compounds of sulfur. (a) Sulfuric acid, H2SO4, is manufactured using the Contact process. This manufacture involves four stages. stage 1 Molten sulfur burns in air to produce sulfur dioxide. stage 2 Sulfur dioxide reacts with oxygen …
- Question 5
Ethanoic acid is manufactured by the reaction of methanol with carbon monoxide. An equilibrium mixture is produced. CH3OH(g) + CO(g) CH3COOH(g) (a) State two characteristics of an equilibrium. …
- Question 6
This question is about zinc and its compounds. (a) Zinc is extracted from its ore which is mainly zinc sulfide, ZnS. The steps for this extraction are shown. step 1 Zinc sulfide is converted into zinc oxide. step 2 The …
- Question 7
The Periodic Table can be used to classify elements. (a) Group I elements react with cold water to form alkaline solutions. (i) Place the Group I elements caesium, lithium, potassium, rubidium and sodium in their order of reactivity with water. …
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