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2013

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

Chemistry 0620/33 Oct/Nov 2013 past paper

Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Extended)), variant 3, Oct/Nov 2013: the question paper and its official mark scheme, 6 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.

Questions
6
Marks
80
Grade A from
45
Open the question paperMark scheme

File names: 0620_w13_qp_33 · 0620_w13_ms_33

Grade thresholds for 0620/33 Oct/Nov 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
45023017

Topics in this paper

Which syllabus chapters 0620/33 Oct/Nov 2013 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Acids, bases and salts230
Electrochemistry115
Organic chemistry115
Metals111
Atoms, elements and compounds19

Questions in 0620/33 Oct/Nov 2013

  1. Question 1Acids, bases and salts · 13 marks

    For Examiner’s Use 1 Zirconium (Zr) is a metal in Period 5. Its main oxidation state is +4. (a) The following are all zirconium atoms: 90Zr 40 , 91Zr 40 and 92Zr 40 . In terms of numbers of electrons, …

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

    For Examiner’s Use 2 (a) The diagram shows the lattice of a typical ionic compound. …

  3. Question 3Electrochemistry · 15 marks

    For Examiner’s Use 3 The main uses of zinc are preventing steel from rusting and making alloys. (a) The main ore of zinc is zinc blende. Zinc blende consists mainly of zinc sulfi de, ZnS. There are two major methods …

  4. Question 4Acids, bases and salts · 17 marks

    For Examiner’s Use 4 Sulfuric acid is a strong acid. Hexanesulfonic acid is also a strong acid. It has similar properties to sulfuric acid. (a) Sulfonic acids are made from alkanes and oleum, …

  5. Question 5Metals · 11 marks

    For Examiner’s Use 5 Domestic rubbish is disposed of in landfi ll sites. Rubbish could include the following items. item of rubbish approximate time for item to break down newspaper one month cotton rag six months woollen glove one year …

  6. Question 6Organic chemistry · 15 marks

    For Examiner’s Use 6 The alcohols form a homologous series. The fi rst fi ve members are given in the table below. (a) alcohol formula heat of combustion in kJ / mol methanol CH3OH 730 ethanol CH3–CH2–OH 1380 propan-1-ol butan-1-ol …

Other Chemistry papers from Oct/Nov 2013

Questions students ask

Where can I get the 0620/33 Oct/Nov 2013 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_w13_ms_33), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 0620/33 Oct/Nov 2013?
45 marks out of 80, a C needed 23.
Which topics came up in 0620/33 Oct/Nov 2013?
Mostly Acids, bases and salts, Electrochemistry, Organic chemistry. The full list is in the table above.
Do I need an account to open 0620/33 Oct/Nov 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.