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2012

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

Chemistry 0620/23 Oct/Nov 2012 past paper

Cambridge IGCSE Chemistry (0620) Paper 2 (Theory (Core)), variant 3, Oct/Nov 2012: 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
Open the question paperMark scheme

File names: 0620_w12_qp_23 · 0620_w12_ms_23

Grade thresholds for 0620/23 Oct/Nov 2012

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
0047034

Topics in this paper

Which syllabus chapters 0620/23 Oct/Nov 2012 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Atoms, elements and compounds329
Organic chemistry222
Metals113
Acids, bases and salts18
Chemistry of the environment18

Questions in 0620/23 Oct/Nov 2012

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

    For Examiner’s Use 1 Part of the Periodic Table of elements is shown below. H He …

  2. Question 2Acids, bases and salts · 8 marks

    For Examiner’s Use 2 Vinegar contains ethanoic acid. The formula of ethanoic acid is shown below. …

  3. Question 3Organic chemistry · 6 marks

    For Examiner’s Use 3 A student used the apparatus shown below to separate a mixture of coloured dyes. The solvent is not shown. filter paper beaker mixture of dyes (a) On the diagram above, draw and label the position of …

  4. Question 4Chemistry of the environment · 8 marks

    For Examiner’s Use 4 Hydrogen can be manufactured by heating methane with steam. CH4 + H2O CO …

  5. Question 5Organic chemistry · 16 marks

    For Examiner’s Use 5 Ethanol can be made by ● an addition reaction with ethene or ● by fermentation. (a) (i) State the name of the substance that needs to be added to ethene to make ethanol. (ii) What conditions …

  6. Question 6Atoms, elements and compounds · 9 marks

    For Examiner’s Use 6 Lead and lead compounds are common pollutants of the air. (a) (i) State one source of lead in the air. (ii) State one effect of lead on human health. (b) Lead(II) oxide can be reduced by …

  7. Question 7Atoms, elements and compounds · 10 marks

    For Examiner’s Use 7 The diagram below shows the apparatus used to electroplate a spoon with silver. rod of pure silver iron spoon aqueous silver nitrate + – battery (a) Which is the anode? Put a ring around the correct …

  8. Question 8Metals · 13 marks

    For Examiner’s Use 8 The diagram shows a type of blast furnace built about 230 years ago. It was used to extract iron from iron ore. …

Other Chemistry papers from Oct/Nov 2012

Questions students ask

Where can I get the 0620/23 Oct/Nov 2012 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_w12_ms_23), and on a wide screen it sits beside the question you are reading.
Which topics came up in 0620/23 Oct/Nov 2012?
Mostly Atoms, elements and compounds, Organic chemistry, Metals. The full list is in the table above.
Do I need an account to open 0620/23 Oct/Nov 2012?
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.