2015

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

Chemistry 0620/32 May/June 2015 past paper

Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Extended)), variant 2, 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
50

File names: 0620_s15_qp_32 ยท 0620_s15_ms_32

Grade thresholds for 0620/32 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.

ABCDEFG
5041322619137

Topics in this paper

Which syllabus chapters 0620/32 May/June 2015 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Acids, bases and salts228
Atoms, elements and compounds218
Organic chemistry117
States of matter111
Chemical reactions16

Questions in 0620/32 May/June 2015

  1. Question 1Atoms, elements and compounds ยท 8 marks

    Complete the following table which gives the number of protons, electrons and neutrons in each of the ๏ฌ ve particles. particle number of protons number of electrons number of neutrons โ€ฆ

  2. Question 2States of matter ยท 11 marks

    The table shows the melting points, boiling points and electrical properties of ๏ฌ ve substances, A to E. substance melting point / ยฐC boiling point / ยฐC electrical conductivity of solid electrical conductivity of liquid โ€ฆ

  3. Question 3Atoms, elements and compounds ยท 10 marks

    Calcium reacts with nitrogen to form the ionic compound calcium nitride, Ca3N2. (a) Draw a diagram, based on the correct formula, which shows the charges on the ions and the arrangement of the electrons around the negative ion. Use o โ€ฆ

  4. Question 4Chemical reactions ยท 6 marks

    Ammonia is made by the Haber process. โ€ฆ

  5. Question 5Acids, bases and salts ยท 10 marks

    Three common methods of preparing salts are shown below. method A adding an excess of an insoluble base or carbonate or metal to a dilute acid and removing excess by ๏ฌ ltration method B using a burette and indicator method โ€ฆ

  6. Question 6Acids, bases and salts ยท 18 marks

    The Atacama desert in Chile has deposits of the salt sodium nitrate. Very large amounts of this salt were exported to Europe for use as a fertiliser. After the introduction of the Haber process in 1913, this trade rapidly diminished. โ€ฆ

  7. Question 7Organic chemistry ยท 17 marks

    Alcohols can be made by fermentation or from petroleum. (a) Ethanol can be made by the fermentation of glucose. yeast C6H12O6(aq) 2C2H5OH(aq) + 2CO2(g) exothermic reaction Yeast are living single-cell fungi which ferment glucose by anaerobic respiration. This reaction is โ€ฆ

Other Chemistry papers from May/June 2015

Questions students ask

Where can I get the 0620/32 May/June 2015 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_s15_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 2015?
50 marks out of 80, a C needed 32.
Which topics came up in 0620/32 May/June 2015?
Mostly Acids, bases and salts, Atoms, elements and compounds, Organic chemistry. The full list is in the table above.
Do I need an account to open 0620/32 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.