2014

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

Chemistry 0620/31 May/June 2014 past paper

Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Extended)), variant 1, May/June 2014: 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
39

File names: 0620_s14_qp_31 ยท 0620_s14_ms_31

Grade thresholds for 0620/31 May/June 2014

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
3932241913

Topics in this paper

Which syllabus chapters 0620/31 May/June 2014 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Stoichiometry221
Acids, bases and salts115
Electrochemistry112
The Periodic Table111
Atoms, elements and compounds17
Experimental techniques and chemical analysis17
States of matter17

Questions in 0620/31 May/June 2014

  1. Question 1Atoms, elements and compounds ยท 7 marks

    The table below gives the composition of six particles which are either atoms or ions. particle number of protons number of neutrons number of electrons โ€ฆ

  2. Question 2Experimental techniques and chemical analysis ยท 7 marks

    (a) Water is needed for industry and in the home. (i) Rain water is collected in reservoirs. How is it treated before entering the water supply? (ii) State two industrial uses of water. (iii) State two uses of water in โ€ฆ

  3. Question 3States of matter ยท 7 marks

    (a) Different gases diffuse at different speeds. (i) What is meant by the term diffusion? (ii) What property of a gas molecule affects the speed at which it diffuses? (b) Helium is a gas used to ๏ฌ ll balloons. It โ€ฆ

  4. Question 4The Periodic Table ยท 11 marks

    In the Periodic Table, the elements are arranged in columns called Groups and in rows called Periods. (a) (i) Complete the table for some of the elements in Period 3. group number I II III IV V VI VII symbol โ€ฆ

  5. Question 5Stoichiometry ยท 7 marks

    Zinc is obtained from the ore, zinc blende, ZnS. (a) Describe the extraction of zinc from its ore, zinc blende. Include at least one balanced equation in your description. (b) State two major uses of zinc.

  6. Question 6Acids, bases and salts ยท 15 marks

    Hydrogen peroxide decomposes to form water and oxygen. This reaction is catalysed by manganese(IV) oxide. 2H2O2(aq) โ€ฆ

  7. Question 7Electrochemistry ยท 12 marks

    One way of establishing a reactivity series is by displacement reactions. (a) A series of experiments was carried out using the metals lead, magnesium, zinc and silver. Each metal was added in turn to aqueous solutions of the metal nitrates. โ€ฆ

  8. Question 8Stoichiometry ยท 14 marks

    Polymers are made by the polymerisation of simple molecules called monomers. (a) (i) The structural formula of a polymer is given below. n CH CH3 CH CH3 This polymer is made by addition polymerisation. Draw the structural formula of its โ€ฆ

Other Chemistry papers from May/June 2014

Questions students ask

Where can I get the 0620/31 May/June 2014 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_s14_ms_31), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 0620/31 May/June 2014?
39 marks out of 80, a C needed 24.
Which topics came up in 0620/31 May/June 2014?
Mostly Stoichiometry, Acids, bases and salts, Electrochemistry. The full list is in the table above.
Do I need an account to open 0620/31 May/June 2014?
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.