Cambridge O Level ยท 5070 ยท Paper 2 ยท Theory
Chemistry 5070/22 Oct/Nov 2014 past paper
Cambridge O Level Chemistry (5070) Paper 2 (Theory), variant 2, Oct/Nov 2014: the question paper and its official mark scheme, 9 questions worth 85 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 9
- Marks
- 75
- Grade A from
- 42
File names: 5070_w14_qp_22 ยท 5070_w14_ms_22
Grade thresholds for 5070/22 Oct/Nov 2014
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 |
|---|---|---|---|---|
| 42 | 29 | 19 | 15 | 11 |
Topics in this paper
Which syllabus chapters 5070/22 Oct/Nov 2014 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| The Periodic Table | 1 | 12 |
| Acids, bases and salts | 1 | 10 |
| Electrochemistry | 1 | 10 |
| Organic chemistry | 1 | 10 |
| Chemical reactions | 1 | 10 |
| Chemistry of the environment | 1 | 10 |
| Atoms, elements and compounds | 1 | 9 |
| Stoichiometry | 1 | 9 |
| Metals | 1 | 5 |
Questions in 5070/22 Oct/Nov 2014
- Question 1
A1 The diagram shows part of the Periodic Table. Only some of the elements are shown. โฆ
- Question 2
A2 The table shows some properties of the Group I metals. metal density in g / cm3 melting point / ยฐC boiling point / ยฐC lithium โฆ
- Question 3
A3 Seawater contains a variety of dissolved salts. (a) The diagram shows a simple distillation apparatus that can be used to produce purified water from seawater. seawater water out water in heat purified water condenser Explain how distillation purifies seawater. โฆ
- Question 4
A4 Sulfuric acid reacts with the alkali sodium hydroxide. H2SO4 + 2NaOH Na2SO4 โฆ
- Question 5
A5 The table below shows the reactivity of five metals with either cold water or steam or with both. metal reactivity barium reacts rapidly with cold water copper no reaction with steam or cold water magnesium reacts very slowly with โฆ
- Question 6
B6 The structures of sodium chloride and chlorine are shown below. Cl โ Cl Cl Cl โ Cl โ Cl โ Cl โ Cl โ sodium chloride chlorine Na+ Na+ Na+ Na+ (a) The melting point of sodium chloride is โฆ
- Question 7
B7 The alkanes are a homologous series of hydrocarbons. (a) Give the name of another homologous series of hydrocarbons. (b) The graph below shows how the melting points of the first nine alkanes vary with the number of carbon atoms. โฆ
- Question 8
B8 The ester, ethyl ethanoate, reacts with hydroxide ions to form ethanoate ions and ethanol. CH3COOC2H5 + OHโ CH3COOโ + C2H5OH ethyl ethanoate ethanoate ions (a) The graph shows how the concentration of ethanoate ions, CH3COOโ, changes as the reaction โฆ
- Question 9
B9 Ammonia is manufactured by the Haber process. Fe catalyst โฆ
Other Chemistry papers from Oct/Nov 2014
- 5070/11 Multiple choice
- 5070/12 Multiple choice
- 5070/21 Theory
- 5070/41 Alternative to Practical
- 5070/42 Alternative to Practical