Cambridge IGCSE ยท 0620 ยท Paper 3 ยท Theory (Core)
Chemistry 0620/32 Oct/Nov 2024 past paper
Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 2, Oct/Nov 2024: 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
- 43
File names: 0620_w24_qp_32 ยท 0620_w24_ms_32
Grade thresholds for 0620/32 Oct/Nov 2024
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 |
|---|---|---|---|---|
| 43 | 36 | 29 | 22 | 16 |
Topics in this paper
Which syllabus chapters 0620/32 Oct/Nov 2024 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Atoms, elements and compounds | 3 | 27 |
| Organic chemistry | 1 | 13 |
| Experimental techniques and chemical analysis | 1 | 11 |
| States of matter | 1 | 11 |
| Acids, bases and salts | 1 | 10 |
| Electrochemistry | 1 | 8 |
Questions in 0620/32 Oct/Nov 2024
- Question 1
(a) Fig. 1.1 shows part of the Periodic Table. I II III IV V VI VII VIII Na Al โฆ
- Question 2
(a) Hydrogen chloride has a simple molecular structure. (i) State two physical properties of a compound with a simple molecular structure. 1 2 (ii) Hydrogen chloride is a molecule with a covalent bond. Complete this sentence about a covalent bond. โฆ
- Question 3
(a) The list shows some substances present in water from natural sources. dissolved oxygen calcium compounds plastics harmful microbes State which one of these substances provides essential minerals for aquatic life. (b) Explain why phosphates present in polluted water are โฆ
- Question 4
(a) Fig. 4.1 shows the displayed formula of compound โฆ
- Question 5
(a) Table 5.1 shows some properties of ๏ฌve halogens. Table 5.1 halogen melting point in ยฐC boiling point in ยฐC density in liquid state in g / cm3 ๏ฌuorine โ220 โ188 chlorine โฆ
- Question 6
This question is about metals. (a) Many metals have high melting points and boiling points. State three other typical physical properties of metals. โฆ
- Question 7
This question is about acids, bases and salts. (a) Crystals of zinc sulfate are made by warming excess solid zinc oxide with dilute sulfuric acid. ZnO(s) + H2SO4(aq) โ ZnSO4(aq) โฆ
- Question 8
(a) A student investigates the reaction of small pieces of calcium carbonate with excess dilute hydrochloric acid of three di๏ฌerent concentrations. The time taken for each reaction to ๏ฌnish is recorded. The three concentrations of acid are: โ 0.5 mol โฆ
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