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

Chemistry 0620/22 Oct/Nov 2015 past paper

Cambridge IGCSE Chemistry (0620) Paper 2 (Theory (Core)), variant 2, Oct/Nov 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: 41

Open the question paper Mark scheme

File names: 0620_w15_qp_22 · 0620_w15_ms_22

Grade thresholds for 0620/22 Oct/Nov 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.

A	B	C	D	E
41	35	29	24	19

Topics in this paper

Which syllabus chapters 0620/22 Oct/Nov 2015 tested, by marks. Each chapter links to every past-paper question on it.

Chapter	Questions	Marks
Organic chemistry	2	20
Chemistry of the environment	1	16
Acids, bases and salts	1	14
Chemical reactions	1	12
Electrochemistry	1	9
Stoichiometry	1	9

Questions in 0620/22 Oct/Nov 2015

Question 1Electrochemistry · 9 marks
The structures of six substances are shown below. Ag Ag Ag Ag Ag Ag Ag Ag Ag Ag Ag A Fe Fe Fe Fe Fe Fe Ni Ni Ni Fe Fe Fe Xe Xe Xe Xe Xe B Na+ I– …
Question 2Organic chemistry · 11 marks
A student measured the highest temperature reached when four different fuels were burned. He used the apparatus shown below. thermometer copper can fuel clamp water spirit burner (a) The same amount of each fuel was burned. Suggest two other things …
Question 3Acids, bases and salts · 14 marks
The order of reactivity of zinc, magnesium, calcium and barium is shown below. zinc → magnesium → calcium → barium least reactive most reactive (a) Equal-sized pieces of zinc, magnesium, calcium and barium are placed in water. Some observations from …
Question 4Chemical reactions · 12 marks
A student investigated the reaction of lumps of iron with sulfuric acid. Fe(s) + H2SO4(aq) → FeSO4(aq) + H2(g) She used the apparatus shown below. sulfuric acid lumps of iron water (a) (i) Describe how this apparatus can be used …
Question 5Chemistry of the environment · 16 marks
A crystal of sulfur melts when heated. (a) Explain, using the kinetic particle theory, the differences between the arrangement and motion of the particles in sulfur crystals and liquid sulfur. (b) Sulfur dioxide is an atmospheric pollutant. (i) Describe how …
Question 6Organic chemistry · 9 marks
Geraniol is a chemical found in rose petals. The structure of geraniol is shown below. …
Question 7Stoichiometry · 9 marks
Beryllium is in Group II and Period 2 of the Periodic Table. (a) Describe the structure of a beryllium atom. In your answer, refer to • the type and number of each subatomic particle present, • the charges on each …

Other Chemistry papers from Oct/Nov 2015

Questions students ask

Where can I get the 0620/22 Oct/Nov 2015 mark scheme?

Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_w15_ms_22), and on a wide screen it sits beside the question you are reading.

What was the grade threshold for an A in 0620/22 Oct/Nov 2015?

41 marks out of 80, a C needed 29.

Which topics came up in 0620/22 Oct/Nov 2015?

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

Do I need an account to open 0620/22 Oct/Nov 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.