Cambridge IGCSE · 0620 · Paper 4 · Theory (Extended)

Chemistry 0620/42 Feb/March 2016 past paper

Cambridge IGCSE Chemistry (0620) Paper 4 (Theory (Extended)), variant 2, Feb/March 2016: 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: 53

Open the question paper Mark scheme

File names: 0620_m16_qp_42 · 0620_m16_ms_42

Grade thresholds for 0620/42 Feb/March 2016

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	F	G
53	44	35	30	23	17	12

Topics in this paper

Which syllabus chapters 0620/42 Feb/March 2016 tested, by marks. Each chapter links to every past-paper question on it.

Chapter	Questions	Marks
Chemistry of the environment	3	32
Stoichiometry	1	16
The Periodic Table	1	12
Chemical reactions	1	12
Atoms, elements and compounds	1	8

Questions in 0620/42 Feb/March 2016

Question 1Atoms, elements and compounds · 8 marks
(a) The table below gives information about particles. Complete the table. The first line has been done for you. particle number of protons number of electrons electronic configuration charge on particle …
Question 2The Periodic Table · 12 marks
Rubidium, Rb, is a Group I element. It has similar physical and chemical properties to the other elements in Group I. (a) Predict how many electrons there are in the outer shell of a rubidium atom. (b) Predict one physical …
Question 3Chemistry of the environment · 13 marks
Carbon dioxide and silicon(IV) oxide are oxides of Group IV elements. (a) Complete the following table. carbon dioxide silicon(IV) oxide formula SiO2 melting point …
Question 4Chemical reactions · 12 marks
Hydrogen peroxide, H2O2, decomposes into water and oxygen in the presence of a catalyst, manganese(IV) oxide. 2H2O2(aq) …
Question 5Chemistry of the environment · 13 marks
This question is about compounds of nitrogen. (a) (i) Describe the Haber Process giving reaction conditions and a chemical equation. Reference to rate and yield is not required. (ii) Give one use of ammonia. (b) The diagram shows the structure …
Question 6Chemistry of the environment · 6 marks
Iron pyrite, FeS2, is known as Fool’s Gold because it is a shiny yellow solid which is similar in appearance to gold. Iron pyrite is an ionic compound. Gold is a metallic element. (a) Iron pyrite, FeS2, contains positive and …
Question 7Stoichiometry · 16 marks
(a) Alkanes and alkenes are examples of hydrocarbons. (i) What is meant by the term hydrocarbon? (ii) Give the general formula of straight-chain alkanes, alkenes. (b) A compound X contains carbon, hydrogen and oxygen only. X contains 54.54% of carbon …

Other Chemistry papers from Feb/March 2016

Questions students ask

Where can I get the 0620/42 Feb/March 2016 mark scheme?

Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_m16_ms_42), and on a wide screen it sits beside the question you are reading.

What was the grade threshold for an A in 0620/42 Feb/March 2016?

53 marks out of 80, a C needed 35.

Which topics came up in 0620/42 Feb/March 2016?

Mostly Chemistry of the environment, Stoichiometry, The Periodic Table. The full list is in the table above.

Do I need an account to open 0620/42 Feb/March 2016?

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.