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2015

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

Chemistry 0620/23 May/June 2015 past paper

Cambridge IGCSE Chemistry (0620) Paper 2 (Theory (Core)), variant 3, May/June 2015: 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
45
Open the question paperMark scheme

File names: 0620_s15_qp_23 ยท 0620_s15_ms_23

Grade thresholds for 0620/23 May/June 2015

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
4538312622

Topics in this paper

Which syllabus chapters 0620/23 May/June 2015 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Organic chemistry222
Electrochemistry221
Atoms, elements and compounds114
Acids, bases and salts112
States of matter111

Questions in 0620/23 May/June 2015

  1. Question 1Electrochemistry ยท 10 marks

    The structures of ๏ฌ ve substances are shown below. โ€ฆ

  2. Question 2Organic chemistry ยท 9 marks

    A student adds an aqueous solution of sodium hydroxide to an aqueous solution of ethanoic acid. She measures the temperature before and after the addition of sodium hydroxide. ethanoic acid solution โ€ฆ

  3. Question 3Acids, bases and salts ยท 12 marks

    Copper(II) sulfate is heated strongly. The products are copper(II) oxide and sulfur trioxide. heat CuSO4 โ†’ CuO + SO3 (a) (i) What type of reaction is this? Tick one box. addition neutralisation oxidation thermal decomposition (ii) Sulfur trioxide is an โ€ฆ

  4. Question 4Electrochemistry ยท 11 marks

    A student investigated the reaction of zinc carbonate with hydrochloric acid. ZnCO3(s) + 2HCl (aq) โ†’ ZnCl 2(aq) + CO2(g) + H2O(l) She measured the decrease in mass of the reaction mixture with time. cotton wool hydrochloric acid top pan โ€ฆ

  5. Question 5Organic chemistry ยท 13 marks

    Linalool is a compound found in the seeds of the coriander plant. The formula of linalool is shown below. CH3 CH3 CH3 โ€ฆ

  6. Question 6Atoms, elements and compounds ยท 14 marks

    The table below shows the properties of some non-metallic elements, โ€ฆ

  7. Question 7States of matter ยท 11 marks

    Many ๏ฌ‚ owers produce volatile oils. These oils are responsible for the sweet scent (perfume) of many ๏ฌ‚ owers. (a) What does the term volatile mean? (b) A teacher placed some highly-scented ๏ฌ‚ owers at the front of the class. โ€ฆ

Other Chemistry papers from May/June 2015

Questions students ask

Where can I get the 0620/23 May/June 2015 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_s15_ms_23), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 0620/23 May/June 2015?
45 marks out of 80, a C needed 31.
Which topics came up in 0620/23 May/June 2015?
Mostly Organic chemistry, Electrochemistry, Atoms, elements and compounds. The full list is in the table above.
Do I need an account to open 0620/23 May/June 2015?
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.