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2013

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

Chemistry 0620/32 May/June 2013 past paper

Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Extended)), variant 2, May/June 2013: the question paper and its official mark scheme, 8 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.

Questions
8
Marks
80
Grade A from
46
Open the question paperMark scheme

File names: 0620_s13_qp_32 ยท 0620_s13_ms_32

Grade thresholds for 0620/32 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
46029017

Topics in this paper

Which syllabus chapters 0620/32 May/June 2013 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Chemistry of the environment223
Electrochemistry221
Acids, bases and salts111
Atoms, elements and compounds19
Organic chemistry18
Stoichiometry18

Questions in 0620/32 May/June 2013

  1. Question 1Chemistry of the environment ยท 13 marks

    For Examinerโ€™s Use 1 Air is a mixture of gases. The main constituents are the elements oxygen and nitrogen. (a) (i) Name another element in air. (ii) Give the formula of a compound in unpolluted air. (b) Common pollutants present โ€ฆ

  2. Question 2Atoms, elements and compounds ยท 9 marks

    For Examinerโ€™s Use 2 (a) The table below gives the number of protons, neutrons and electrons in atoms or ions. Complete the table. The ๏ฌ rst line is given as an example. You will need to use the Periodic Table. โ€ฆ

  3. Question 3Chemistry of the environment ยท 10 marks

    The diagram shows some of the processes which determine the percentage of carbon dioxide in the atmosphere. carbon dioxide in atmosphere combustion photosynthesis respiration (a) Explain how the following two processes alter the percentage of carbon dioxide in the atmosphere. โ€ฆ

  4. Question 4Electrochemistry ยท 11 marks

    At present the most important method of manufacturing hydrogen is steam reforming of methane. (a) In the ๏ฌ rst stage of the process, methane reacts with steam at 800 ยฐC. CH4(g) โ€ฆ

  5. Question 5Organic chemistry ยท 8 marks

    Many monomer molecules react together to form one molecule of a polymer. This reaction is called polymerisation. (a) The structural formula of the polymer, poly(chloroethene), is given below. This polymer is also known as PVC. โ€ฆ

  6. Question 6Electrochemistry ยท 10 marks

    Aluminium is an important metal with a wide range of uses. (a) Aluminium is obtained by the electrolysis of aluminium oxide dissolved in molten cryolite. carbon cathode (โ€“) oxygen given off at carbon anode (+) molten mixture of aluminium oxide โ€ฆ

  7. Question 7Acids, bases and salts ยท 11 marks

    For Examinerโ€™s Use 7 The ester linkage showing all the bonds is drawn as โ€ฆ

  8. Question 8Stoichiometry ยท 8 marks

    (a) De๏ฌ ne the following (i) the mole (ii) the Avogadro constant (b) Which two of the following contain the same number of molecules? Show how you arrived at your answer. 2.0 g of methane, CH4 8.0 g of oxygen, โ€ฆ

Other Chemistry papers from May/June 2013

Questions students ask

Where can I get the 0620/32 May/June 2013 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_s13_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 May/June 2013?
46 marks out of 80, a C needed 29.
Which topics came up in 0620/32 May/June 2013?
Mostly Chemistry of the environment, Electrochemistry, Acids, bases and salts. The full list is in the table above.
Do I need an account to open 0620/32 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.