Cambridge O Level · 5070 · Paper 2 · Theory
Chemistry 5070/22 May/June 2022 past paper
Cambridge O Level Chemistry (5070) Paper 2 (Theory), variant 2, May/June 2022: the question paper and its official mark scheme, 10 questions worth 85 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 10
- Marks
- 75
- Grade A from
- 44
File names: 5070_s22_qp_22 · 5070_s22_ms_22
Grade thresholds for 5070/22 May/June 2022
The minimum raw marks Cambridge set for each grade on this component (out of 75). Thresholds change every session and variant, so always compare your score with the paper you actually sat.
| A | B | C | D | E |
|---|---|---|---|---|
| 44 | 31 | 17 | 14 | 9 |
Topics in this paper
Which syllabus chapters 5070/22 May/June 2022 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 5070/22 May/June 2022
- Question 1
Choose from the following compounds to answer the questions. AgCl Ba(NO3)2 KI KMnO4 K2SO3 Mg(NO3)2 Na2CO3 Na3N NH4Cl ZnSO4 Each compound may be used once, more than once or not at all. State which compound: (a) is purple in colour …
- Question 2
The table shows some information about elements in Group VI. element electronic configuration melting point / °C density in g / cm3 oxygen …
- Question 3
The diagram shows some reactions of butanoic acid. heat with ethanol liquid D and organic liquid E gas A and salt B Mg salt B, gas C and liquid D MgCO3 …
- Question 4
The table shows information about some particles. particle number of protons neutrons electrons 79 35Br …
- Question 5
Ethanol is manufactured by the reaction between ethene and steam. The conditions used are …
- Question 6
A sample of an alloy containing aluminium and copper is added to hot dilute sulfuric acid. Only the aluminium reacts with the dilute sulfuric acid. The products of the reaction are hydrogen and aqueous aluminium sulfate. (a) Construct the ionic …
- Question 7
Carbon dioxide and sulfur dioxide are pollutants formed at power stations that burn fossil fuels such as coal. (a) State one environmental problem caused by producing carbon dioxide as an atmospheric pollutant. (b) State one environmental problem caused by producing …
- Question 8
Zinc is a metal. (a) Coating iron with zinc prevents iron from rusting. Explain how a coating of zinc prevents iron from rusting when the coating is scratched. (b) Zinc has metallic bonding. (i) Describe, with the aid of a …
- Question 9
Alkanes are a homologous series of saturated hydrocarbons. (a) Draw the structures of two different alkanes with the molecular formula C4H10. Show all of the atoms and all of the bonds in each structure. (b) State, using the general formula …
- Question 10
Nitric acid, HNO3, is used to make fertilisers. (a) Nitric acid is manufactured from ammonia. In the first step, ammonia reacts with oxygen. Balance this equation. NH3 + O2 NO …
Other Chemistry papers from May/June 2022
- 5070/11 Multiple choice
- 5070/12 Multiple choice
- 5070/21 Theory
- 5070/41 Alternative to Practical
- 5070/42 Alternative to Practical