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2013

Cambridge IGCSE · 0620 · Paper 2 · Theory (Core)

Chemistry 0620/23 May/June 2013 past paper

Cambridge IGCSE Chemistry (0620) Paper 2 (Theory (Core)), variant 3, May/June 2013: the question paper and its official mark scheme, 7 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.

Questions
7
Marks
80
Open the question paperMark scheme

File names: 0620_s13_qp_23 · 0620_s13_ms_23

Grade thresholds for 0620/23 May/June 2013

The minimum raw marks Cambridge set for each grade on this component (out of 80). Thresholds change every session and variant, so always compare your score with the paper you actually sat.

ABCDE
0052035

Topics in this paper

Which syllabus chapters 0620/23 May/June 2013 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Metals114
Organic chemistry113
Stoichiometry113
Experimental techniques and chemical analysis111
Atoms, elements and compounds110
States of matter110
Acids, bases and salts19

Questions in 0620/23 May/June 2013

  1. Question 1Atoms, elements and compounds · 10 marks

    For Examiner’s Use 1 The structures of fi ve atoms, …

  2. Question 2States of matter · 10 marks

    For Examiner’s Use 2 The table shows some physical properties of the Group VII elements. halogen melting point / °C boiling point / °C atomic radius / nanometres colour fl uorine –220 –188 pale yellow chlorine …

  3. Question 3Metals · 14 marks

    For Examiner’s Use 3 Aluminium and gallium are in Group III of the Periodic Table. (a) The heat from your hand is suffi cient to melt gallium. Describe the change in state from solid to liquid in terms of the …

  4. Question 4Acids, bases and salts · 9 marks

    For Examiner’s Use 4 Impure water needs to be treated if it is to be used in the home. (a) (i) Explain why fi ltration and chlorination are used in the water treatment process. (ii) State one use of water …

  5. Question 5Organic chemistry · 13 marks

    For Examiner’s Use 5 Energy is given out when fuels burn. (a) State the name given to a chemical reaction which releases energy. (b) Hydrogen can be used as a fuel. Complete the symbol equation for the burning of hydrogen …

  6. Question 6Experimental techniques and chemical analysis · 11 marks

    For Examiner’s Use 6 Inks are mixtures of different dyes. (a) A student used paper chromatography to separate the dyes in a particular ink. Describe how paper chromatography is carried out. You may draw a diagram to help explain your …

  7. Question 7Stoichiometry · 13 marks

    For Examiner’s Use 7 Hydrogen peroxide, H2O2, decomposes in the presence of an enzyme called peroxidase. The products of this reaction are water and oxygen. (a) (i) What is meant by the term enzyme? (ii) Complete the symbol equation for …

Other Chemistry papers from May/June 2013

Questions students ask

Where can I get the 0620/23 May/June 2013 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_s13_ms_23), and on a wide screen it sits beside the question you are reading.
Which topics came up in 0620/23 May/June 2013?
Mostly Metals, Organic chemistry, Stoichiometry. The full list is in the table above.
Do I need an account to open 0620/23 May/June 2013?
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.