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2011

Cambridge O Level · 5070 · Paper 2 · Theory

Chemistry 5070/22 Oct/Nov 2011 past paper

Cambridge O Level Chemistry (5070) Paper 2 (Theory), variant 2, Oct/Nov 2011: the question paper and its official mark scheme, 9 questions worth 85 marks. Free to open, no account needed.

Questions
9
Marks
85
Open the question paperMark scheme

File names: 5070_w11_qp_22 · 5070_w11_ms_22

Topics in this paper

Which syllabus chapters 5070/22 Oct/Nov 2011 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Chemistry of the environment222
Acids, bases and salts220
Organic chemistry217
Atoms, elements and compounds111
Experimental techniques and chemical analysis19
Metals16

Questions in 5070/22 Oct/Nov 2011

  1. Question 1Metals · 6 marks

    A1 Choose from the following list of elements to answer the questions below. calcium chlorine hydrogen iodine nickel sodium vanadium zinc Each element can be used once, more than once, or not at all. Which element (a) forms an oxide …

  2. Question 2Experimental techniques and chemical analysis · 9 marks

    For Examiner’s Use A2 Pure oxygen for industrial use is obtained from the air. (a) (i) State the percentage by volume of oxygen in clean air. (ii) Explain how fractional distillation is used to obtain oxygen from the air. (b) …

  3. Question 3Organic chemistry · 7 marks

    For Examiner’s Use A3 The alkanes are an homologous series of saturated hydrocarbons with the general formula CnH2n+2. (a) What do you understand by the term hydrocarbon? (b) Write the molecular formula for the alkane containing seven carbon atoms. (c) …

  4. Question 4Chemistry of the environment · 12 marks

    For Examiner’s Use A4 Coal is largely carbon. (a) Carbon burns in excess air to form carbon dioxide. …

  5. Question 5Atoms, elements and compounds · 11 marks

    For Examiner’s Use A5 Bromine is a halogen. It has two naturally-occurring isotopes. (a) Define the term isotopes. (b) One isotope of bromine has the symbol 81 35Br. State the number of protons, neutrons and electrons in this isotope of …

  6. Question 6Chemistry of the environment · 10 marks

    B6 Ammonia is made by the Haber process. (a) (i) Write an equation for the formation of ammonia in the Haber process. (ii) State the essential conditions for the Haber process. (b) Ammonia is used to make fertilisers. Explain why …

  7. Question 7Acids, bases and salts · 10 marks

    For Examiner’s Use B7 Sulfuric acid is a strong acid. Ethanoic acid is a weak acid. (a) What do you understand by the terms strong acid and weak acid? (b) Compare and explain the difference in the electrical conductivity between …

  8. Question 8Organic chemistry · 10 marks

    For Examiner’s Use B8 The table gives some information about the first five members of the carboxylic acid homologous series. carboxylic acid formula boiling point / °C methanoic acid HCO2H 101 ethanoic acid CH3CO2H 118 propanoic acid C2H5CO2H 141 butanoic …

  9. Question 9Acids, bases and salts · 10 marks

    For Examiner’s Use B9 Barium is a reactive metal in Group II of the Periodic Table. Barium reacts with water in a similar way to sodium. The products of the reaction are aqueous barium hydroxide and a colourless gas. (a) …

Other Chemistry papers from Oct/Nov 2011

Questions students ask

Where can I get the 5070/22 Oct/Nov 2011 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (5070_w11_ms_22), and on a wide screen it sits beside the question you are reading.
Which topics came up in 5070/22 Oct/Nov 2011?
Mostly Chemistry of the environment, Acids, bases and salts, Organic chemistry. The full list is in the table above.
Do I need an account to open 5070/22 Oct/Nov 2011?
No. Every paper opens for free without signing in. A free account also saves your pen marks and records your score against the grade thresholds.