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2011

Cambridge IGCSE · 0620 · Paper 3 · Theory (Extended)

Chemistry 0620/32 Oct/Nov 2011 past paper

Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Extended)), variant 2, Oct/Nov 2011: 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
Grade A from
40
Open the question paperMark scheme

File names: 0620_w11_qp_32 · 0620_w11_ms_32

Grade thresholds for 0620/32 Oct/Nov 2011

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
40018012

Topics in this paper

Which syllabus chapters 0620/32 Oct/Nov 2011 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Chemistry of the environment225
Acids, bases and salts225
Organic chemistry113
Experimental techniques and chemical analysis110
Atoms, elements and compounds17

Questions in 0620/32 Oct/Nov 2011

  1. Question 1Atoms, elements and compounds · 7 marks

    For Examiner’s Use 1 Cobalt is an element in Period 4 of the Periodic Table. (a) Use your copy of the Periodic Table to help you complete the table below. particle number of protons number of neutrons number of electrons …

  2. Question 2Chemistry of the environment · 12 marks

    For Examiner’s Use 2 Sulfur is needed for the production of sulfuric acid. Two of the major sources of sulfur are ● underground deposits of the element sulfur, ● sulfur compounds from natural gas and petroleum. (a) Explain why sulfur …

  3. Question 3Acids, bases and salts · 10 marks

    For Examiner’s Use 3 Antimony, Sb, is an element in Group V. (a) The main ore of antimony is its sulfi de. The extraction of antimony is similar to that of zinc. Describe how each of these changes in the …

  4. Question 4Experimental techniques and chemical analysis · 10 marks

    For Examiner’s Use 4 The structure of an element or compound determines its physical properties. Scandium fl uoride and silicon(IV) oxide have giant structures. (a) Scandium fl uoride is an ionic compound. (i) The valency of scandium is three. Draw …

  5. Question 5Organic chemistry · 13 marks

    For Examiner’s Use 5 The alcohols form a homologous series. Two characteristics of a homologous series are that the physical properties of the members vary in a predictable way and they have similar chemical properties. (a) Complete the table. name …

  6. Question 6Acids, bases and salts · 15 marks

    For Examiner’s Use 6 Soluble salts can be made by the neutralisation of an acid by a base. Insoluble salts can be made by precipitation. (a) The following is a brief description of the preparation of the soluble salt, nickel(II) …

  7. Question 7Chemistry of the environment · 13 marks

    For Examiner’s Use 7 Petrol is a mixture of hydrocarbons and additives. The combustion of petrol in car engines is a major source of air pollution. This is reduced by catalytic converters. (a) Petrol is obtained from the gasoline fraction, …

Other Chemistry papers from Oct/Nov 2011

Questions students ask

Where can I get the 0620/32 Oct/Nov 2011 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_w11_ms_32), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 0620/32 Oct/Nov 2011?
40 marks out of 80, a C needed 18.
Which topics came up in 0620/32 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 0620/32 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.