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

Chemistry 0620/32 Oct/Nov 2018 past paper

Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 2, Oct/Nov 2018: 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: 52

Open the question paper Mark scheme

File names: 0620_w18_qp_32 · 0620_w18_ms_32

Grade thresholds for 0620/32 Oct/Nov 2018

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.

A	B	C	D	E
52	45	38	31	24

Topics in this paper

Which syllabus chapters 0620/32 Oct/Nov 2018 tested, by marks. Each chapter links to every past-paper question on it.

Chapter	Questions	Marks
Acids, bases and salts	3	31
Electrochemistry	1	15
Organic chemistry	1	11
Chemical reactions	1	9
Atoms, elements and compounds	1	8
The Periodic Table	1	6

Questions in 0620/32 Oct/Nov 2018

Question 1Atoms, elements and compounds · 8 marks
(a) The electronic structures of five atoms, …
Question 2Organic chemistry · 11 marks
(a) The table shows the concentrations of the ions present in a solution obtained from cells in the body. ion present formula of ion concentration in mg / 1000 cm3 sodium Na+ 273 potassium K+ 540 calcium Ca2+ 3 magnesium …
Question 3Acids, bases and salts · 12 marks
(a) The table gives information about the solubility of copper and selenium in an organic solvent and in water. The organic solvent boils at 30 °C. element solubility in organic solvent solubility in water copper insoluble insoluble selenium soluble insoluble …
Question 4Acids, bases and salts · 11 marks
This question is about acids. (a) The structure of fumaric acid is shown. C COOH C H HOOC H Fumaric acid is an unsaturated compound. (i) What feature of the structure of fumaric acid shows that it is unsaturated? (ii) …
Question 5Electrochemistry · 15 marks
Bromine is a volatile liquid. Potassium bromide is a compound made from bromine. (a) Use the kinetic particle model to describe the arrangement and motion of the particles in bromine when it is: …
Question 6Acids, bases and salts · 8 marks
(a) The diagrams show the structures of four substances, …
Question 7Chemical reactions · 9 marks
(a) The graph shows the effect of temperature on the rate of reaction of dilute hydrochloric acid with zinc powder. …
Question 8The Periodic Table · 6 marks
The table shows the properties of some Group I elements. element density in g / cm3 melting point in °C relative hardness sodium …

Other Chemistry papers from Oct/Nov 2018

Questions students ask

Where can I get the 0620/32 Oct/Nov 2018 mark scheme?

Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_w18_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 Oct/Nov 2018?

52 marks out of 80, a C needed 38.

Which topics came up in 0620/32 Oct/Nov 2018?

Mostly Acids, bases and salts, Electrochemistry, Organic chemistry. The full list is in the table above.

Do I need an account to open 0620/32 Oct/Nov 2018?

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.