Cambridge IGCSE ยท 0620 ยท Paper 4 ยท Theory (Extended)
Chemistry 0620/42 May/June 2024 past paper
Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 2, May/June 2024: the question paper and its official mark scheme, 6 questions worth 80 marks. Free to open, no account needed.
- Questions
- 6
- Marks
- 80
File names: 0620_s24_qp_42 ยท 0620_s24_ms_42
Topics in this paper
Which syllabus chapters 0620/42 May/June 2024 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Organic chemistry | 2 | 27 |
| Chemistry of the environment | 2 | 22 |
| Atoms, elements and compounds | 1 | 17 |
| Metals | 1 | 14 |
Questions in 0620/42 May/June 2024
- Question 1
A list of gases is shown. ammonia helium hydrogen carbon dioxide carbon monoxide chlorine methane nitrogen dioxide propene sulfur dioxide Answer the following questions about these gases. Each gas may be used once, more than once or not at all. โฆ
- Question 2
A list of ๏ฌve metals is shown. copper iron magnesium potassium silver (a) All metals form positive ions. (i) Describe how atoms form positive ions. (ii) State which of the ๏ฌve metals in the list has the greatest tendency to โฆ
- Question 3
The symbol equation for the industrial production of ammonia is shown. โฆ
- Question 4
A carboxylic acid reacts with an alcohol to produce an ester and water. Under certain conditions, this reaction can be reversed so an ester reacts with water to produce a carboxylic acid X and an alcohol Y. The reaction reaches โฆ
- Question 5
Sulfur is a Group VI element. (a) A sample of sulfur contains two isotopes, 32S and 34S. (i) Complete Table 5.1 to show the number of protons and neutrons in one atom of each isotope of sulfur. Table โฆ
- Question 6
Glucose is involved in two processes. (a) Glucose, C6H12O6, is made in plants from carbon dioxide and water. (i) Name this process. (ii) Write the symbol equation for this process. (iii) State two essential conditions needed for this process to โฆ
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