Cambridge O Level · 5070 · Paper 2 · Theory
Chemistry 5070/22 May/June 2012 past paper
Cambridge O Level Chemistry (5070) Paper 2 (Theory), variant 2, May/June 2012: the question paper and its official mark scheme, 9 questions worth 85 marks. Free to open, no account needed.
- Questions
- 9
- Marks
- 85
File names: 5070_s12_qp_22 · 5070_s12_ms_22
Topics in this paper
Which syllabus chapters 5070/22 May/June 2012 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Organic chemistry | 2 | 23 |
| Chemical energetics | 2 | 20 |
| Acids, bases and salts | 2 | 18 |
| Stoichiometry | 1 | 9 |
| Chemistry of the environment | 1 | 9 |
| Atoms, elements and compounds | 1 | 6 |
Questions in 5070/22 May/June 2012
- Question 1
A1 Choose from the following particles to answer the questions below. 8 4Be …
- Question 2
For Examiner’s Use A2 Small pieces of a silver coloured metal, X, were added to concentrated nitric acid. A brown gas, Z, and a colourless solution containing salt Y were formed. Analysis of a 0.0914 mol sample of Z showed …
- Question 3
For Examiner’s Use A3 The typical composition of solid domestic waste in a city is shown below. type of solid waste percentage by mass glass 9 metals 8 organic waste including food 22 paper 38 plastics 9 textiles 2 other …
- Question 4
For Examiner’s Use A4 Many electricity generating power stations burn fossil fuels. The combustion of these fuels produces waste gases called flue gas. The flue gas contains nitrogen oxides, sulfur dioxide and carbon dioxide. Nitrogen oxides and sulfur dioxide contribute …
- Question 5
For Examiner’s Use A5 Aqueous potassium hydroxide, KOH, is added slowly from a burette into a flask containing 25.0 cm3 of 0.0500 mol / dm3 dilute sulfuric acid, H2SO4. At the same time the pH of the contents of the …
- Question 6
B6 Hydrogen-oxygen fuel cells are used to generate electricity. The overall reaction in a hydrogen-oxygen fuel cell is shown below. …
- Question 7
For Examiner’s Use B7 Many carbonates thermally decompose to form carbon dioxide and an oxide. Copper carbonate forms carbon dioxide and copper oxide. CuCO3 CuO + CO2 Six 2.00 g samples of carbonates are heated strongly until there is no …
- Question 8
For Examiner’s Use B8 Alkenes are a homologous series of organic compounds. The table shows some information about the first six alkenes. name molecular formula melting point / °C boiling point / °C ethene …
- Question 9
For Examiner’s Use B9 Methanol, CH3OH, is manufactured from carbon dioxide and hydrogen. CO2(g) + 3H2(g) CH3OH(g) …
Other Chemistry papers from May/June 2012
- 5070/11 Multiple choice
- 5070/12 Multiple choice
- 5070/21 Theory
- 5070/41 Alternative to Practical
- 5070/42 Alternative to Practical