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2010

Cambridge O Level · 5070 · Paper 2 · Theory

Chemistry 5070/23 May/June 2010 past paper

Cambridge O Level Chemistry (5070) Paper 2 (Theory), variant 3, May/June 2010: the question paper, 10 questions worth 85 marks. Free to open, no account needed.

Questions
10
Marks
85
Open the question paper

File names: 5070_s10_qp_23

Topics in this paper

Which syllabus chapters 5070/23 May/June 2010 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Organic chemistry322
Chemical reactions221
Chemistry of the environment216
Atoms, elements and compounds110
Chemical energetics110
The Periodic Table16

Questions in 5070/23 May/June 2010

  1. Question 1Chemistry of the environment · 6 marks

    A1 Choose from the following compounds to answer the questions below. BaSO4 CH4 C2H4 C3H8 CO2 CaCO3 CF3Cl K2Cr2O7 MgSO4 NaCl ZnSO4 Each compound can be used once, more than once or not at all. Which compound (a) is responsible …

  2. Question 2The Periodic Table · 6 marks

    For Examiner’s Use A2 Lithium, sodium and potassium are elements in Group I of the Periodic Table. Francium, Fr, is another element in Group I. (a) How many electrons are in there in the outer shell of a francium atom? …

  3. Question 3Chemical reactions · 11 marks

    For Examiner’s Use A3 The diagram below shows apparatus that can be used to investigate the rate of reaction between zinc and hydrochloric acid. g balance hydrochloric acid cotton wool zinc (a) Write the equation, including state symbols, for the …

  4. Question 4Atoms, elements and compounds · 10 marks

    For Examiner’s Use A4 The electrical conductivity of a substance is related to its structure and bonding. (a) Graphite and diamond are both forms of solid carbon. Explain why graphite conducts electricity but diamond does not. (b) Explain why solid …

  5. Question 5Organic chemistry · 8 marks

    For Examiner’s Use A5 Ethanol, C2H5OH, can be manufactured by two different processes. • process 1 – the catalysed addition of steam to ethene • process 2 – the fermentation of glucose (a) Name the type of reaction used to …

  6. Question 6Organic chemistry · 4 marks

    For Examiner’s Use A6 Plastics are made of macromolecules called polymers. In the middle of the Pacific Ocean there is a huge area of water that is contaminated with small bits of plastics. The waste plastics have been washed away …

  7. Question 7Chemical energetics · 10 marks

    B7 Hydrazine, N2H4, is a liquid that has been used as a rocket fuel. It reacts with oxygen as shown in the equation. …

  8. Question 8Organic chemistry · 10 marks

    For Examiner’s Use B8 An ester is made from a carboxylic acid and an alcohol. The carboxylic acid has the molecular formula C4H8O2. Analysis of the alcohol shows it has the following percentage composition by mass: 52.2% carbon; 13.0% hydrogen; …

  9. Question 9Chemical reactions · 10 marks

    For Examiner’s Use B9 Hydrogen and iodine react together to form hydrogen iodide in a reversible redox reaction. The forward reaction is endothermic. …

  10. Question 10Chemistry of the environment · 10 marks

    For Examiner’s Use B10 Fertilisers are used to promote plant growth and increase crop yield. Three fertilisers are potassium chloride, potassium nitrate and ammonium phosphate. (a) Potassium nitrate is a soluble salt that can be prepared by reaction between an …

Other Chemistry papers from May/June 2010

Questions students ask

Where can I get the 5070/23 May/June 2010 mark scheme?
Cambridge has not published a mark scheme for this paper in our archive yet.
Which topics came up in 5070/23 May/June 2010?
Mostly Organic chemistry, Chemical reactions, Chemistry of the environment. The full list is in the table above.
Do I need an account to open 5070/23 May/June 2010?
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.